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-rw-r--r--kernel/profile.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/kernel/profile.c b/kernel/profile.c
index f940b462eec..15b012df4ff 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -442,7 +442,8 @@ read_profile(struct file *file, char __user *buf, size_t count, loff_t *ppos)
read = 0;
while (p < sizeof(unsigned int) && count > 0) {
- put_user(*((char *)(&sample_step)+p),buf);
+ if (put_user(*((char *)(&sample_step)+p),buf))
+ return -EFAULT;
buf++; p++; count--; read++;
}
pnt = (char *)prof_buffer + p - sizeof(atomic_t);