Not entirely sure about the assembly part, but shouldn't it...
--------
Test for the nul character rather than the '0' (== 0x30), in the
__get_user_unknown() case.
Signed-off-by: Roel Kluin <roel.kl...@gmail.com>
---
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index b2c71c5..71b3aba 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -632,7 +632,7 @@ static ssize_t lock_stat_write(struct file *file,
const char __user *buf,
if (get_user(c, buf))
return -EFAULT;
- if (c != '0')
+ if (c != '\0')
return count;
list_for_each_entry(class, &all_lock_classes, lock_entry)
--
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