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authorAndreas Schwab <schwab@suse.de>2007-05-08 00:31:38 -0700
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-05-08 11:15:14 -0700
commit83ae1b79c898838e16ac8cde69b39d22d36fb035 (patch)
treee7571f14e4167f4425b8b05ed2cf3b59c8b383b5 /fs
parenta3e0975684337738997771416535d0e5d6fa27cd (diff)
Fix error handling in HDIO_GETGEO compat wrapper
Don't clobber error from sys_ioctl in HDIO_GETGEO compat wrapper. Signed-off-by: Andreas Schwab <schwab@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs')
-rw-r--r--fs/compat_ioctl.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/fs/compat_ioctl.c b/fs/compat_ioctl.c
index 6972d242fbdf..d92bc3eb7afc 100644
--- a/fs/compat_ioctl.c
+++ b/fs/compat_ioctl.c
@@ -684,8 +684,10 @@ static int hdio_getgeo(unsigned int fd, unsigned int cmd, unsigned long arg)
if (!err) {
err = copy_to_user (ugeo, &geo, 4);
err |= __put_user (geo.start, &ugeo->start);
+ if (err)
+ err = -EFAULT;
}
- return err ? -EFAULT : 0;
+ return err;
}
static int hdio_ioctl_trans(unsigned int fd, unsigned int cmd, unsigned long arg)