korg/linux
0
0
Fork 0
mirror of https://mirrors.bfsu.edu.cn/git/linux.git synced 2024-11-11 12:28:41 +08:00
Code Issues Packages Projects Releases Wiki Activity

remoteproc: Use size_t type for len in da_to_va

Browse Source 
With upcoming changes in elf loader for elf64 support, section size will
be a u64. When used with da_to_va, this will potentially lead to
overflow if using the current "int" type for len argument. Change
da_to_va prototype to use a size_t for len and fix all users of this
function.

Reviewed-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Reviewed-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Signed-off-by: Clement Leger <cleger@kalray.eu>
Link: https://lore.kernel.org/r/20200302093902.27849-2-cleger@kalray.eu
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
This commit is contained in:
Clement Leger 2020-03-02 10:38:55 +01:00 committed by Bjorn Andersson
parent 2e7d4c2c4b
commit 9ce3bf225e
12 changed files with 20 additions and 19 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
drivers/remoteproc/imx_rproc.c
View File

@ -186,7 +186,7 @@ static int imx_rproc_stop(struct rproc *rproc)
}
static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da,
int len, u64 *sys)
size_t len, u64 *sys)
{
const struct imx_rproc_dcfg *dcfg = priv->dcfg;
int i;
@ -203,19 +203,19 @@ static int imx_rproc_da_to_sys(struct imx_rproc *priv, u64 da,
}
}
dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%x\n",
dev_warn(priv->dev, "Translation failed: da = 0x%llx len = 0x%zx\n",
da, len);
return -ENOENT;
}
static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct imx_rproc *priv = rproc->priv;
void *va = NULL;
u64 sys;
int i;
if (len <= 0)
if (len == 0)
return NULL;
/*
@ -235,7 +235,8 @@ static void *imx_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
}
}
dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%p\n", da, len, va);
dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%p\n",
da, len, va);
return va;
}

4
drivers/remoteproc/keystone_remoteproc.c
View File

@ -246,7 +246,7 @@ static void keystone_rproc_kick(struct rproc *rproc, int vqid)
* can be used either by the remoteproc core for loading (when using kernel
* remoteproc loader), or by any rpmsg bus drivers.
*/
static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct keystone_rproc *ksproc = rproc->priv;
void __iomem *va = NULL;
@ -255,7 +255,7 @@ static void *keystone_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
size_t size;
int i;
if (len <= 0)
if (len == 0)
return NULL;
for (i = 0; i < ksproc->num_mems; i++) {

2
drivers/remoteproc/qcom_q6v5_adsp.c
View File

@ -270,7 +270,7 @@ static int adsp_stop(struct rproc *rproc)
return ret;
}
static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
int offset;

2
drivers/remoteproc/qcom_q6v5_mss.c
View File

@ -1325,7 +1325,7 @@ static int q6v5_stop(struct rproc *rproc)
return 0;
}
static void *q6v5_da_to_va(struct rproc *rproc, u64 da, int len)
static void *q6v5_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct q6v5 *qproc = rproc->priv;
int offset;

2
drivers/remoteproc/qcom_q6v5_pas.c
View File

@ -222,7 +222,7 @@ static int adsp_stop(struct rproc *rproc)
return ret;
}
static void *adsp_da_to_va(struct rproc *rproc, u64 da, int len)
static void *adsp_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct qcom_adsp *adsp = (struct qcom_adsp *)rproc->priv;
int offset;

2
drivers/remoteproc/qcom_q6v5_wcss.c
View File

@ -406,7 +406,7 @@ static int q6v5_wcss_stop(struct rproc *rproc)
return 0;
}
static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, int len)
static void *q6v5_wcss_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct q6v5_wcss *wcss = rproc->priv;
int offset;

2
drivers/remoteproc/qcom_wcnss.c
View File

@ -287,7 +287,7 @@ static int wcnss_stop(struct rproc *rproc)
return ret;
}
static void *wcnss_da_to_va(struct rproc *rproc, u64 da, int len)
static void *wcnss_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct qcom_wcnss *wcnss = (struct qcom_wcnss *)rproc->priv;
int offset;

2
drivers/remoteproc/remoteproc_core.c
View File

@ -185,7 +185,7 @@ EXPORT_SYMBOL(rproc_va_to_pa);
* here the output of the DMA API for the carveouts, which should be more
* correct.
*/
void *rproc_da_to_va(struct rproc *rproc, u64 da, int len)
void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct rproc_mem_entry *carveout;
void *ptr = NULL;

2
drivers/remoteproc/remoteproc_internal.h
View File

@ -50,7 +50,7 @@ void rproc_exit_sysfs(void);
void rproc_free_vring(struct rproc_vring *rvring);
int rproc_alloc_vring(struct rproc_vdev *rvdev, int i);
void *rproc_da_to_va(struct rproc *rproc, u64 da, int len);
void *rproc_da_to_va(struct rproc *rproc, u64 da, size_t len);
phys_addr_t rproc_va_to_pa(void *cpu_addr);
int rproc_trigger_recovery(struct rproc *rproc);

4
drivers/remoteproc/st_slim_rproc.c
View File

@ -174,7 +174,7 @@ static int slim_rproc_stop(struct rproc *rproc)
return 0;
}
static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct st_slim_rproc *slim_rproc = rproc->priv;
void *va = NULL;
@ -191,7 +191,7 @@ static void *slim_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
}
}
dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%x va = 0x%pK\n",
dev_dbg(&rproc->dev, "da = 0x%llx len = 0x%zx va = 0x%pK\n",
da, len, va);
return va;

4
drivers/remoteproc/wkup_m3_rproc.c
View File

@ -80,14 +80,14 @@ static int wkup_m3_rproc_stop(struct rproc *rproc)
return 0;
}
static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, int len)
static void *wkup_m3_rproc_da_to_va(struct rproc *rproc, u64 da, size_t len)
{
struct wkup_m3_rproc *wkupm3 = rproc->priv;
void *va = NULL;
int i;
u32 offset;
if (len <= 0)
if (len == 0)
return NULL;
for (i = 0; i < WKUPM3_MEM_MAX; i++) {

2
include/linux/remoteproc.h
View File

@ -374,7 +374,7 @@ struct rproc_ops {
int (*start)(struct rproc *rproc);
int (*stop)(struct rproc *rproc);
void (*kick)(struct rproc *rproc, int vqid);
void * (*da_to_va)(struct rproc *rproc, u64 da, int len);
void * (*da_to_va)(struct rproc *rproc, u64 da, size_t len);
int (*parse_fw)(struct rproc *rproc, const struct firmware *fw);
int (*handle_rsc)(struct rproc *rproc, u32 rsc_type, void *rsc,
int offset, int avail);