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SubjectRe: [PATCH] To add NULL pointer check
+-- On Wed, 3 Apr 2013, Jaegeuk Kim wrote --+
| diff --git a/fs/f2fs/data.c b/fs/f2fs/data.c
| index 47a2d7c..cf9ff5f 100644
| --- a/fs/f2fs/data.c
| +++ b/fs/f2fs/data.c
| @@ -559,6 +559,10 @@ static int f2fs_write_data_pages(struct
| address_space *mapping,
| int ret;
| long excess_nrtw = 0, desired_nrtw;
|
| + /* deal with chardevs and other special file */
| + if (!mapping->a_ops->writepage)
| + return 0;
| +

Small question, is it okay to `return 0' here?

Earlier even if `generic_writepages' returned 0, that did not abort routine
`f2fs_write_data_pages'.

Thank you.
--
Prasad J Pandit / Red Hat Security Response Team
DB7A 84C5 D3F9 7CD1 B5EB C939 D048 7860 3655 602B


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