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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2011-09-07 14:18:36 -0700
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2011-09-07 14:18:36 -0700
commit7e66eaf14e19c032433be7c4df3c892fa2a5282f (patch)
tree56b0d5f9d16eb18744e102f3f216715196cd62e6 /kernel/trace/trace_stack.c
parentd3654d7ef3adad0083525cfb6fe27be62cb83d0d (diff)
parentc6a389f123b9f68d605bb7e0f9b32ec1e3e14132 (diff)
Merge commit 'v3.1-rc4' into next
Diffstat (limited to 'kernel/trace/trace_stack.c')
-rw-r--r--kernel/trace/trace_stack.c13
1 files changed, 2 insertions, 11 deletions
diff --git a/kernel/trace/trace_stack.c b/kernel/trace/trace_stack.c
index b0b53b8e4c2..77575b386d9 100644
--- a/kernel/trace/trace_stack.c
+++ b/kernel/trace/trace_stack.c
@@ -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);