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usb: host: {e|o}hci-dbg: kill useless 'ret' variable initializers

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The 'ret' local variables are often initialized to 0 but this value is
unused, thus we can kill those initializers...

Acked-by: Alan Stern <stern@rowland.harvard.edu>
Signed-off-by: Sergey Shtylyov <s.shtylyov@omp.ru>
Link: https://lore.kernel.org/r/901b7478-45b6-d8b3-f5c6-555712485232@omp.ru
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Sergey Shtylyov 2022-02-14 22:56:16 +03:00 committed by Greg Kroah-Hartman
parent 4378e427f7
commit 6d705bf952
2 changed files with 4 additions and 4 deletions
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4
drivers/usb/host/ehci-dbg.c
View File

@ -931,7 +931,7 @@ static struct debug_buffer *alloc_buffer(struct usb_bus *bus,
static int fill_buffer(struct debug_buffer *buf)
{
int ret = 0;
int ret;
if (!buf->output_buf)
buf->output_buf = vmalloc(buf->alloc_size);
@ -956,7 +956,7 @@ static ssize_t debug_output(struct file *file, char __user *user_buf,
size_t len, loff_t *offset)
{
struct debug_buffer *buf = file->private_data;
int ret = 0;
int ret;
mutex_lock(&buf->mutex);
if (buf->count == 0) {

4
drivers/usb/host/ohci-dbg.c
View File

@ -680,7 +680,7 @@ static struct debug_buffer *alloc_buffer(struct ohci_hcd *ohci,
static int fill_buffer(struct debug_buffer *buf)
{
int ret = 0;
int ret;
if (!buf->page)
buf->page = (char *)get_zeroed_page(GFP_KERNEL);
@ -705,7 +705,7 @@ static ssize_t debug_output(struct file *file, char __user *user_buf,
size_t len, loff_t *offset)
{
struct debug_buffer *buf = file->private_data;
int ret = 0;
int ret;
mutex_lock(&buf->mutex);
if (buf->count == 0) {