Gitweb: http://git.kernel.org/linus/880fe76ee6f38eda82e9f3de9a7a206dfd1bab9d
Commit: 880fe76ee6f38eda82e9f3de9a7a206dfd1bab9d
Parent: 695f6ae0dcea3dd83bfbb9634ff067f780649ba8
Author: Roel Kluin <roel.kluin@gmail.com>
AuthorDate: Thu Apr 2 16:57:18 2009 -0700
Committer: Linus Torvalds <torvalds@linux-foundation.org>
CommitDate: Thu Apr 2 19:04:53 2009 -0700
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>
---
fs/hppfs/hppfs.c | 7 ++++++-
1 files changed, 6 insertions(+), 1 deletions(-)
diff --git a/fs/hppfs/hppfs.c b/fs/hppfs/hppfs.c
index b278f7f..a5089a6 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;
}
--
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