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media: don't do a 31 bit shift on a signed int

Browse Source 
On 32-bits archs, a signed integer has 31 bits plus on extra
bit for signal. Due to that, touching the 32th bit with something
like:

	int bar = 1 << 31;

has an undefined behavior in C on 32 bit architectures, as it
touches the signal bit. This is warned by cppcheck.

Instead, force the numbers to be unsigned, in order to solve this
issue.

Signed-off-by: Mauro Carvalho Chehab <mchehab+samsung@kernel.org>
This commit is contained in:
Mauro Carvalho Chehab 2019-08-22 11:16:42 -03:00
parent cce8ccca80
commit 95c520690f
19 changed files with 38 additions and 38 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/media/dvb-frontends/cx24123.c
View File

@ -431,7 +431,7 @@ static u32 cx24123_int_log2(u32 a, u32 b)
u32 div = a / b; u32 div = a / b;
if (a % b >= b / 2) if (a % b >= b / 2)
++div; ++div;
if (div < (1 << 31)) { if (div < (1UL << 31)) {
for (exp = 1; div > exp; nearest++) for (exp = 1; div > exp; nearest++)
exp += exp; exp += exp;
} }

4
drivers/media/pci/bt8xx/bttv-input.c
View File

@ -84,7 +84,7 @@ static void ir_enltv_handle_key(struct bttv *btv)
data = ir_extract_bits(gpio, ir->mask_keycode); data = ir_extract_bits(gpio, ir->mask_keycode);
/* Check if it is keyup */ /* Check if it is keyup */
keyup = (gpio & ir->mask_keyup) ? 1 << 31 : 0; keyup = (gpio & ir->mask_keyup) ? 1UL << 31 : 0;
if ((ir->last_gpio & 0x7f) != data) { if ((ir->last_gpio & 0x7f) != data) {
dprintk("gpio=0x%x code=%d | %s\n", dprintk("gpio=0x%x code=%d | %s\n",
@ -95,7 +95,7 @@ static void ir_enltv_handle_key(struct bttv *btv)
if (keyup) if (keyup)
rc_keyup(ir->dev); rc_keyup(ir->dev);
} else { } else {
if ((ir->last_gpio & 1 << 31) == keyup) if ((ir->last_gpio & 1UL << 31) == keyup)
return; return;
dprintk("(cnt) gpio=0x%x code=%d | %s\n", dprintk("(cnt) gpio=0x%x code=%d | %s\n",

2
drivers/media/pci/cx18/cx18-ioctl.c
View File

@ -78,7 +78,7 @@ static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
return 0; return 0;
} }
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
if ((1 << i) & set) if (BIT(i) & set)
return 1 << i; return 1 << i;
} }
return 0; return 0;

2
drivers/media/pci/ivtv/ivtv-driver.c
View File

@ -910,7 +910,7 @@ static void ivtv_load_and_init_modules(struct ivtv *itv)
/* check which i2c devices are actually found */ /* check which i2c devices are actually found */
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
u32 device = 1 << i; u32 device = BIT(i);
if (!(device & hw)) if (!(device & hw))
continue; continue;

4
drivers/media/pci/ivtv/ivtv-ioctl.c
View File

@ -73,8 +73,8 @@ static u16 select_service_from_set(int field, int line, u16 set, int is_pal)
return 0; return 0;
} }
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
if ((1 << i) & set) if (BIT(i) & set)
return 1 << i; return BIT(i);
} }
return 0; return 0;
} }

6
drivers/media/pci/solo6x10/solo6x10-gpio.c
View File

@ -39,13 +39,13 @@ static void solo_gpio_mode(struct solo_dev *solo_dev,
ret = solo_reg_read(solo_dev, SOLO_GPIO_CONFIG_1); ret = solo_reg_read(solo_dev, SOLO_GPIO_CONFIG_1);
for (port = 0; port < 16; port++) { for (port = 0; port < 16; port++) {
if (!((1 << (port + 16)) & port_mask)) if (!((1UL << (port + 16)) & port_mask))
continue; continue;
if (!mode) if (!mode)
ret &= ~(1 << port); ret &= ~(1UL << port);
else else
ret |= 1 << port; ret |= 1UL << port;
} }
/* Enable GPIO[31:16] */ /* Enable GPIO[31:16] */

6
drivers/media/platform/exynos4-is/mipi-csis.c
View File

@ -41,7 +41,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
/* CSIS global control */ /* CSIS global control */
#define S5PCSIS_CTRL 0x00 #define S5PCSIS_CTRL 0x00
#define S5PCSIS_CTRL_DPDN_DEFAULT (0 << 31) #define S5PCSIS_CTRL_DPDN_DEFAULT (0 << 31)
#define S5PCSIS_CTRL_DPDN_SWAP (1 << 31) #define S5PCSIS_CTRL_DPDN_SWAP (1UL << 31)
#define S5PCSIS_CTRL_ALIGN_32BIT (1 << 20) #define S5PCSIS_CTRL_ALIGN_32BIT (1 << 20)
#define S5PCSIS_CTRL_UPDATE_SHADOW (1 << 16) #define S5PCSIS_CTRL_UPDATE_SHADOW (1 << 16)
#define S5PCSIS_CTRL_WCLK_EXTCLK (1 << 8) #define S5PCSIS_CTRL_WCLK_EXTCLK (1 << 8)
@ -65,7 +65,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
/* Interrupt mask */ /* Interrupt mask */
#define S5PCSIS_INTMSK 0x10 #define S5PCSIS_INTMSK 0x10
#define S5PCSIS_INTMSK_EVEN_BEFORE (1 << 31) #define S5PCSIS_INTMSK_EVEN_BEFORE (1UL << 31)
#define S5PCSIS_INTMSK_EVEN_AFTER (1 << 30) #define S5PCSIS_INTMSK_EVEN_AFTER (1 << 30)
#define S5PCSIS_INTMSK_ODD_BEFORE (1 << 29) #define S5PCSIS_INTMSK_ODD_BEFORE (1 << 29)
#define S5PCSIS_INTMSK_ODD_AFTER (1 << 28) #define S5PCSIS_INTMSK_ODD_AFTER (1 << 28)
@ -83,7 +83,7 @@ MODULE_PARM_DESC(debug, "Debug level (0-2)");
/* Interrupt source */ /* Interrupt source */
#define S5PCSIS_INTSRC 0x14 #define S5PCSIS_INTSRC 0x14
#define S5PCSIS_INTSRC_EVEN_BEFORE (1 << 31) #define S5PCSIS_INTSRC_EVEN_BEFORE (1UL << 31)
#define S5PCSIS_INTSRC_EVEN_AFTER (1 << 30) #define S5PCSIS_INTSRC_EVEN_AFTER (1 << 30)
#define S5PCSIS_INTSRC_EVEN (0x3 << 30) #define S5PCSIS_INTSRC_EVEN (0x3 << 30)
#define S5PCSIS_INTSRC_ODD_BEFORE (1 << 29) #define S5PCSIS_INTSRC_ODD_BEFORE (1 << 29)

2
drivers/media/platform/fsl-viu.c
View File

@ -214,7 +214,7 @@ enum status_config {
FIELD_NO = 0x01 << 28, /* Field number */ FIELD_NO = 0x01 << 28, /* Field number */
DITHER_ON = 0x01 << 29, /* Dithering is on */ DITHER_ON = 0x01 << 29, /* Dithering is on */
ROUND_ON = 0x01 << 30, /* Round is on */ ROUND_ON = 0x01 << 30, /* Round is on */
MODE_32BIT = 0x01 << 31, /* Data in RGBa888, MODE_32BIT = 1UL << 31, /* Data in RGBa888,
* 0 in RGB565 * 0 in RGB565
*/ */
}; };

2
drivers/media/platform/mx2_emmaprp.c
View File

@ -120,7 +120,7 @@ module_param(debug, bool, 0644);
#define PRP_CNTL_RZ_FIFO_LEVEL(x) ((x) << 27) #define PRP_CNTL_RZ_FIFO_LEVEL(x) ((x) << 27)
#define PRP_CNTL_CH2B1EN (1 << 29) #define PRP_CNTL_CH2B1EN (1 << 29)
#define PRP_CNTL_CH2B2EN (1 << 30) #define PRP_CNTL_CH2B2EN (1 << 30)
#define PRP_CNTL_CH2FEN (1 << 31) #define PRP_CNTL_CH2FEN (1UL << 31)
#define PRP_SIZE_HEIGHT(x) (x) #define PRP_SIZE_HEIGHT(x) (x)
#define PRP_SIZE_WIDTH(x) ((x) << 16) #define PRP_SIZE_WIDTH(x) ((x) << 16)

4
drivers/media/platform/pxa_camera.c
View File

@ -64,7 +64,7 @@
#define CIBR1 0x0030 #define CIBR1 0x0030
#define CIBR2 0x0038 #define CIBR2 0x0038
#define CICR0_DMAEN (1 << 31) /* DMA request enable */ #define CICR0_DMAEN (1UL << 31) /* DMA request enable */
#define CICR0_PAR_EN (1 << 30) /* Parity enable */ #define CICR0_PAR_EN (1 << 30) /* Parity enable */
#define CICR0_SL_CAP_EN (1 << 29) /* Capture enable for slave mode */ #define CICR0_SL_CAP_EN (1 << 29) /* Capture enable for slave mode */
#define CICR0_ENB (1 << 28) /* Camera interface enable */ #define CICR0_ENB (1 << 28) /* Camera interface enable */
@ -81,7 +81,7 @@
#define CICR0_EOFM (1 << 1) /* End-of-frame mask */ #define CICR0_EOFM (1 << 1) /* End-of-frame mask */
#define CICR0_FOM (1 << 0) /* FIFO-overrun mask */ #define CICR0_FOM (1 << 0) /* FIFO-overrun mask */
#define CICR1_TBIT (1 << 31) /* Transparency bit */ #define CICR1_TBIT (1UL << 31) /* Transparency bit */
#define CICR1_RGBT_CONV (0x3 << 29) /* RGBT conversion mask */ #define CICR1_RGBT_CONV (0x3 << 29) /* RGBT conversion mask */
#define CICR1_PPL (0x7ff << 15) /* Pixels per line mask */ #define CICR1_PPL (0x7ff << 15) /* Pixels per line mask */
#define CICR1_RGB_CONV (0x7 << 12) /* RGB conversion mask */ #define CICR1_RGB_CONV (0x7 << 12) /* RGB conversion mask */

2
drivers/media/platform/qcom/venus/core.c
View File

@ -198,7 +198,7 @@ static int venus_enumerate_codecs(struct venus_core *core, u32 type)
goto err; goto err;
for (i = 0; i < MAX_CODEC_NUM; i++) { for (i = 0; i < MAX_CODEC_NUM; i++) {
codec = (1 << i) & codecs; codec = (1UL << i) & codecs;
if (!codec) if (!codec)
continue; continue;

10
drivers/media/platform/s5p-jpeg/jpeg-regs.h
View File

@ -121,14 +121,14 @@
/* JPEG timer setting register */ /* JPEG timer setting register */
#define S5P_JPG_TIMER_SE 0x7c #define S5P_JPG_TIMER_SE 0x7c
#define S5P_TIMER_INT_EN_MASK (0x1 << 31) #define S5P_TIMER_INT_EN_MASK (0x1UL << 31)
#define S5P_TIMER_INT_EN (0x1 << 31) #define S5P_TIMER_INT_EN (0x1UL << 31)
#define S5P_TIMER_INIT_MASK 0x7fffffff #define S5P_TIMER_INIT_MASK 0x7fffffff
/* JPEG timer status register */ /* JPEG timer status register */
#define S5P_JPG_TIMER_ST 0x80 #define S5P_JPG_TIMER_ST 0x80
#define S5P_TIMER_INT_STAT_SHIFT 31 #define S5P_TIMER_INT_STAT_SHIFT 31
#define S5P_TIMER_INT_STAT_MASK (0x1 << S5P_TIMER_INT_STAT_SHIFT) #define S5P_TIMER_INT_STAT_MASK (0x1UL << S5P_TIMER_INT_STAT_SHIFT)
#define S5P_TIMER_CNT_SHIFT 0 #define S5P_TIMER_CNT_SHIFT 0
#define S5P_TIMER_CNT_MASK 0x7fffffff #define S5P_TIMER_CNT_MASK 0x7fffffff
@ -562,13 +562,13 @@
/* JPEG timer setting register */ /* JPEG timer setting register */
#define EXYNOS3250_TIMER_SE 0x148 #define EXYNOS3250_TIMER_SE 0x148
#define EXYNOS3250_TIMER_INT_EN_SHIFT 31 #define EXYNOS3250_TIMER_INT_EN_SHIFT 31
#define EXYNOS3250_TIMER_INT_EN (1 << EXYNOS3250_TIMER_INT_EN_SHIFT) #define EXYNOS3250_TIMER_INT_EN (1UL << EXYNOS3250_TIMER_INT_EN_SHIFT)
#define EXYNOS3250_TIMER_INIT_MASK 0x7fffffff #define EXYNOS3250_TIMER_INIT_MASK 0x7fffffff
/* JPEG timer status register */ /* JPEG timer status register */
#define EXYNOS3250_TIMER_ST 0x14c #define EXYNOS3250_TIMER_ST 0x14c
#define EXYNOS3250_TIMER_INT_STAT_SHIFT 31 #define EXYNOS3250_TIMER_INT_STAT_SHIFT 31
#define EXYNOS3250_TIMER_INT_STAT (1 << EXYNOS3250_TIMER_INT_STAT_SHIFT) #define EXYNOS3250_TIMER_INT_STAT (1UL << EXYNOS3250_TIMER_INT_STAT_SHIFT)
#define EXYNOS3250_TIMER_CNT_SHIFT 0 #define EXYNOS3250_TIMER_CNT_SHIFT 0
#define EXYNOS3250_TIMER_CNT_MASK 0x7fffffff #define EXYNOS3250_TIMER_CNT_MASK 0x7fffffff

4
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v5.c
View File

@ -711,7 +711,7 @@ static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL); reg = mfc_read(dev, S5P_FIMV_ENC_PADDING_CTRL);
if (p->pad) { if (p->pad) {
/** enable */ /** enable */
reg |= (1 << 31); reg |= (1UL << 31);
/** cr value */ /** cr value */
reg &= ~(0xFF << 16); reg &= ~(0xFF << 16);
reg |= (p->pad_cr << 16); reg |= (p->pad_cr << 16);
@ -955,7 +955,7 @@ static int s5p_mfc_set_enc_params_mpeg4(struct s5p_mfc_ctx *ctx)
S5P_FIMV_ENC_RC_FRAME_RATE); S5P_FIMV_ENC_RC_FRAME_RATE);
shm = s5p_mfc_read_info_v5(ctx, RC_VOP_TIMING); shm = s5p_mfc_read_info_v5(ctx, RC_VOP_TIMING);
shm &= ~(0xFFFFFFFF); shm &= ~(0xFFFFFFFF);
shm |= (1 << 31); shm |= (1UL << 31);
shm |= ((p->rc_framerate_num & 0x7FFF) << 16); shm |= ((p->rc_framerate_num & 0x7FFF) << 16);
shm |= (p->rc_framerate_denom & 0xFFFF); shm |= (p->rc_framerate_denom & 0xFFFF);
s5p_mfc_write_info_v5(ctx, shm, RC_VOP_TIMING); s5p_mfc_write_info_v5(ctx, shm, RC_VOP_TIMING);

2
drivers/media/platform/s5p-mfc/s5p_mfc_opr_v6.c
View File

@ -840,7 +840,7 @@ static int s5p_mfc_set_enc_params(struct s5p_mfc_ctx *ctx)
if (p->pad) { if (p->pad) {
reg = 0; reg = 0;
/** enable */ /** enable */
reg |= (1 << 31); reg |= (1UL << 31);
/** cr value */ /** cr value */
reg |= ((p->pad_cr & 0xFF) << 16); reg |= ((p->pad_cr & 0xFF) << 16);
/** cb value */ /** cb value */

2
drivers/media/radio/radio-gemtek.c
View File

@ -125,7 +125,7 @@ struct gemtek {
#define BU2614_FMUN_SHIFT (BU2614_VOID2_BITS + BU2614_VOID2_SHIFT) #define BU2614_FMUN_SHIFT (BU2614_VOID2_BITS + BU2614_VOID2_SHIFT)
#define BU2614_TEST_SHIFT (BU2614_FMUN_BITS + BU2614_FMUN_SHIFT) #define BU2614_TEST_SHIFT (BU2614_FMUN_BITS + BU2614_FMUN_SHIFT)
#define MKMASK(field) (((1<<BU2614_##field##_BITS) - 1) << \ #define MKMASK(field) (((1UL<<BU2614_##field##_BITS) - 1) << \
BU2614_##field##_SHIFT) BU2614_##field##_SHIFT)
#define BU2614_PORT_MASK MKMASK(PORT) #define BU2614_PORT_MASK MKMASK(PORT)
#define BU2614_FREQ_MASK MKMASK(FREQ) #define BU2614_FREQ_MASK MKMASK(FREQ)

2
drivers/media/usb/dvb-usb-v2/gl861.c
View File

@ -353,7 +353,7 @@ static int friio_ext_ctl(struct dvb_usb_device *d,
ret += i2c_transfer(&d->i2c_adap, &msg, 1); ret += i2c_transfer(&d->i2c_adap, &msg, 1);
/* send 32bit(satur, R, G, B) data in serial */ /* send 32bit(satur, R, G, B) data in serial */
mask = 1 << 31; mask = 1UL << 31;
for (i = 0; i < 32; i++) { for (i = 0; i < 32; i++) {
buf[1] = power | FRIIO_CTL_STROBE; buf[1] = power | FRIIO_CTL_STROBE;
if (sat_color & mask) if (sat_color & mask)

14
drivers/media/usb/pvrusb2/pvrusb2-hdw.c
View File

@ -660,7 +660,7 @@ static int ctrl_check_input(struct pvr2_ctrl *cptr,int v)
{ {
if (v < 0 || v > PVR2_CVAL_INPUT_MAX) if (v < 0 || v > PVR2_CVAL_INPUT_MAX)
return 0; return 0;
return ((1 << v) & cptr->hdw->input_allowed_mask) != 0; return ((1UL << v) & cptr->hdw->input_allowed_mask) != 0;
} }
static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v) static int ctrl_set_input(struct pvr2_ctrl *cptr,int m,int v)
@ -2445,7 +2445,7 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
/* Ensure that default input choice is a valid one. */ /* Ensure that default input choice is a valid one. */
m = hdw->input_avail_mask; m = hdw->input_avail_mask;
if (m) for (idx = 0; idx < (sizeof(m) << 3); idx++) { if (m) for (idx = 0; idx < (sizeof(m) << 3); idx++) {
if (!((1 << idx) & m)) continue; if (!((1UL << idx) & m)) continue;
hdw->input_val = idx; hdw->input_val = idx;
break; break;
} }
@ -2501,11 +2501,11 @@ struct pvr2_hdw *pvr2_hdw_create(struct usb_interface *intf,
// Initialize control data regarding video standard masks // Initialize control data regarding video standard masks
valid_std_mask = pvr2_std_get_usable(); valid_std_mask = pvr2_std_get_usable();
for (idx = 0; idx < 32; idx++) { for (idx = 0; idx < 32; idx++) {
if (!(valid_std_mask & (1 << idx))) continue; if (!(valid_std_mask & (1UL << idx))) continue;
cnt1 = pvr2_std_id_to_str( cnt1 = pvr2_std_id_to_str(
hdw->std_mask_names[idx], hdw->std_mask_names[idx],
sizeof(hdw->std_mask_names[idx])-1, sizeof(hdw->std_mask_names[idx])-1,
1 << idx); 1UL << idx);
hdw->std_mask_names[idx][cnt1] = 0; hdw->std_mask_names[idx][cnt1] = 0;
} }
cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDAVAIL); cptr = pvr2_hdw_get_ctrl_by_id(hdw,PVR2_CID_STDAVAIL);
@ -4672,7 +4672,7 @@ static unsigned int print_input_mask(unsigned int msk,
unsigned int idx,ccnt; unsigned int idx,ccnt;
unsigned int tcnt = 0; unsigned int tcnt = 0;
for (idx = 0; idx < ARRAY_SIZE(control_values_input); idx++) { for (idx = 0; idx < ARRAY_SIZE(control_values_input); idx++) {
if (!((1 << idx) & msk)) continue; if (!((1UL << idx) & msk)) continue;
ccnt = scnprintf(buf+tcnt, ccnt = scnprintf(buf+tcnt,
acnt-tcnt, acnt-tcnt,
"%s%s", "%s%s",
@ -5099,7 +5099,7 @@ int pvr2_hdw_set_input_allowed(struct pvr2_hdw *hdw,
break; break;
} }
hdw->input_allowed_mask = nv; hdw->input_allowed_mask = nv;
if ((1 << hdw->input_val) & hdw->input_allowed_mask) { if ((1UL << hdw->input_val) & hdw->input_allowed_mask) {
/* Current mode is still in the allowed mask, so /* Current mode is still in the allowed mask, so
we're done. */ we're done. */
break; break;
@ -5112,7 +5112,7 @@ int pvr2_hdw_set_input_allowed(struct pvr2_hdw *hdw,
} }
m = hdw->input_allowed_mask; m = hdw->input_allowed_mask;
for (idx = 0; idx < (sizeof(m) << 3); idx++) { for (idx = 0; idx < (sizeof(m) << 3); idx++) {
if (!((1 << idx) & m)) continue; if (!((1UL << idx) & m)) continue;
pvr2_hdw_set_input(hdw,idx); pvr2_hdw_set_input(hdw,idx);
break; break;
} }

4
drivers/media/usb/pvrusb2/pvrusb2-v4l2.c
View File

@ -1003,7 +1003,7 @@ static int pvr2_v4l2_open(struct file *file)
input_mask &= pvr2_hdw_get_input_available(hdw); input_mask &= pvr2_hdw_get_input_available(hdw);
input_cnt = 0; input_cnt = 0;
for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) {
if (input_mask & (1 << idx)) input_cnt++; if (input_mask & (1UL << idx)) input_cnt++;
} }
fhp->input_cnt = input_cnt; fhp->input_cnt = input_cnt;
fhp->input_map = kzalloc(input_cnt,GFP_KERNEL); fhp->input_map = kzalloc(input_cnt,GFP_KERNEL);
@ -1018,7 +1018,7 @@ static int pvr2_v4l2_open(struct file *file)
} }
input_cnt = 0; input_cnt = 0;
for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) { for (idx = 0; idx < (sizeof(input_mask) << 3); idx++) {
if (!(input_mask & (1 << idx))) continue; if (!(input_mask & (1UL << idx))) continue;
fhp->input_map[input_cnt++] = idx; fhp->input_map[input_cnt++] = idx;
} }

2
drivers/media/v4l2-core/v4l2-ioctl.c
View File

@ -1388,7 +1388,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
(char)((fmt->pixelformat >> 8) & 0x7f), (char)((fmt->pixelformat >> 8) & 0x7f),
(char)((fmt->pixelformat >> 16) & 0x7f), (char)((fmt->pixelformat >> 16) & 0x7f),
(char)((fmt->pixelformat >> 24) & 0x7f), (char)((fmt->pixelformat >> 24) & 0x7f),
(fmt->pixelformat & (1 << 31)) ? "-BE" : ""); (fmt->pixelformat & (1UL << 31)) ? "-BE" : "");
break; break;
} }
} }