diff options
| author | Johannes Berg <johannes.berg@intel.com> | 2013-12-16 11:23:45 +0100 |
|---|---|---|
| committer | Johannes Berg <johannes.berg@intel.com> | 2013-12-16 11:23:45 +0100 |
| commit | c4de673b775e4db48cd2db6277e0c6714332ca0c (patch) | |
| tree | 84f9e4728e6ccf257236d2ba063b6e784ec8b65d /arch/um/kernel/exitcode.c | |
| parent | bafdc614a1f4f8be8cde41b8ab10ac17e67c1837 (diff) | |
| parent | 55957fb7a0b61d8ab6ff3f04e279b8fc22b738fa (diff) | |
Merge remote-tracking branch 'wireless-next/master' into mac80211-next
Diffstat (limited to 'arch/um/kernel/exitcode.c')
| -rw-r--r-- | arch/um/kernel/exitcode.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/um/kernel/exitcode.c b/arch/um/kernel/exitcode.c index 829df49dee99c..41ebbfebb3332 100644 --- a/arch/um/kernel/exitcode.c +++ b/arch/um/kernel/exitcode.c @@ -40,9 +40,11 @@ static ssize_t exitcode_proc_write(struct file *file, const char __user *buffer, size_t count, loff_t *pos) { char *end, buf[sizeof("nnnnn\0")]; + size_t size; int tmp; - if (copy_from_user(buf, buffer, count)) + size = min(count, sizeof(buf)); + if (copy_from_user(buf, buffer, size)) return -EFAULT; tmp = simple_strtol(buf, &end, 0); |