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| author | Dan Carpenter <dan.carpenter@oracle.com> | 2013-02-21 16:41:57 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2013-02-21 17:22:16 -0800 |
| commit | bffea77c08c361d174af7ad94887f6aecc3f340b (patch) | |
| tree | ffe22fc5274c4398be4bd8597292a84ca7b9295d /kernel/compat.c | |
| parent | 9a8ab1c39970a4938a72d94e6fd13be88a797590 (diff) | |
| download | lwn-bffea77c08c361d174af7ad94887f6aecc3f340b.tar.gz lwn-bffea77c08c361d174af7ad94887f6aecc3f340b.zip | |
compat: return -EFAULT on error in waitid()
The copy_to_user() call returns the number of bytes remaining but we
want to return -EFAULT on error.
Fixes "x32: fix waitid()"
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'kernel/compat.c')
| -rw-r--r-- | kernel/compat.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/kernel/compat.c b/kernel/compat.c index 36700e9e2be9..f4bddb900186 100644 --- a/kernel/compat.c +++ b/kernel/compat.c @@ -593,7 +593,7 @@ COMPAT_SYSCALL_DEFINE5(waitid, else ret = put_compat_rusage(&ru, uru); if (ret) - return ret; + return -EFAULT; } BUG_ON(info.si_code & __SI_MASK); |