aboutsummaryrefslogtreecommitdiff
path: root/fs/hppfs
diff options
context:
space:
mode:
authorRoel Kluin <roel.kluin@gmail.com>2009-04-02 16:57:18 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-02 19:04:53 -0700
commit880fe76ee6f38eda82e9f3de9a7a206dfd1bab9d (patch)
treeb5f5d085e73bdf352a9878e622d151f98bac6607 /fs/hppfs
parent695f6ae0dcea3dd83bfbb9634ff067f780649ba8 (diff)
downloadlinaro-lsk-880fe76ee6f38eda82e9f3de9a7a206dfd1bab9d.tar.gz
hppfs: hppfs_read_file() may return -ERROR
hppfs_read_file() may return (ssize_t) -ENOMEM, or -EFAULT. When stored in size_t 'count', these errors will not be noticed, a large value will be added to *ppos. Signed-off-by: Roel Kluin <roel.kluin@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'fs/hppfs')
-rw-r--r--fs/hppfs/hppfs.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index b278f7f5202..a5089a6dd67 100644
--- a/fs/hppfs/hppfs.c
+++ b/fs/hppfs/hppfs.c
@@ -280,7 +280,12 @@ static ssize_t hppfs_read(struct file *file, char __user *buf, size_t count,
"errno = %d\n", err);
return err;
}
- count = hppfs_read_file(hppfs->host_fd, buf, count);
+ err = hppfs_read_file(hppfs->host_fd, buf, count);
+ if (err < 0) {
+ printk(KERN_ERR "hppfs_read: read failed: %d\n", err);
+ return err;
+ }
+ count = err;
if (count > 0)
*ppos += count;
}