GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-20 13:41:30 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

tracing: Convert to kstrtoul_from_user

Browse source 
This patch replaces the code for getting an unsigned long from a
userspace buffer by a simple call to kstroul_from_user.
This makes it easier to read and less error prone.

Signed-off-by: Peter Huewe <peterhuewe@gmx.de>
Link: http://lkml.kernel.org/r/1307476707-14762-1-git-send-email-peterhuewe@gmx.de
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
This commit is contained in:
Peter Huewe 2011-06-07 21:58:27 +02:00 • committed by Steven Rostedt
parent 749230b06a
commit 22fe9b54d8
5 changed files with 20 additions and 110 deletions
Download patch file Download diff file Expand all files Collapse all files

13
kernel/trace/trace_stack.c
View file

@ -156,20 +156,11 @@ stack_max_size_write(struct file *filp, const char __user *ubuf,
{
long *ptr = filp->private_data;
unsigned long val, flags;
char buf[64];
int ret;
int cpu;
if (count >= sizeof(buf))
return -EINVAL;
if (copy_from_user(&buf, ubuf, count))
return -EFAULT;
buf[count] = 0;
ret = strict_strtoul(buf, 10, &val);
if (ret < 0)
ret = kstrtoul_from_user(ubuf, count, 10, &val);
if (ret)
return ret;
local_irq_save(flags);