From: Miklos Szeredi <[EMAIL PROTECTED]>
Fix NULL pointer dereference in __mpage_writepage. This probably
doesn't matter in practice, but this is the original behavior.
Signed-off-by: Miklos Szeredi <[EMAIL PROTECTED]>
---
Index: linux/fs/mpage.c
===================================================================
--- linux.orig/fs/mpage.c 2007-03-06 17:30:09.000000000 +0100
+++ linux/fs/mpage.c 2007-03-06 17:30:33.000000000 +0100
@@ -662,7 +662,7 @@ confused:
if (bio)
bio = mpage_bio_submit(WRITE, bio);
- if (mpd->use_writepage) {
+ if (mpd->use_writepage && mapping->a_ops->writepage) {
ret = mapping->a_ops->writepage(page, wbc);
} else {
ret = -EAGAIN;
--
-
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