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authorDavid Howells <dhowells@redhat.com>2018-01-02 10:02:19 +0000
committerDavid Howells <dhowells@redhat.com>2018-01-02 10:02:19 +0000
commitafae457d874860a7e299d334f59eede5f3ad4b47 (patch)
tree37141a6a1d39ba21135561eeeae2fa2cad90bb8b /fs/afs
parent440fbc3a8a694467ba641234cedb96c28ab2d5fb (diff)
afs: Fix missing error handling in afs_write_end()
afs_write_end() is missing page unlock and put if afs_fill_page() fails. Reported-by: Al Viro <viro@zeniv.linux.org.uk> Signed-off-by: David Howells <dhowells@redhat.com>
Diffstat (limited to 'fs/afs')
-rw-r--r--fs/afs/write.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/fs/afs/write.c b/fs/afs/write.c
index cb5f8a3df577..9370e2feb999 100644
--- a/fs/afs/write.c
+++ b/fs/afs/write.c
@@ -198,7 +198,7 @@ int afs_write_end(struct file *file, struct address_space *mapping,
ret = afs_fill_page(vnode, key, pos + copied,
len - copied, page);
if (ret < 0)
- return ret;
+ goto out;
}
SetPageUptodate(page);
}
@@ -206,10 +206,12 @@ int afs_write_end(struct file *file, struct address_space *mapping,
set_page_dirty(page);
if (PageDirty(page))
_debug("dirtied");
+ ret = copied;
+
+out:
unlock_page(page);
put_page(page);
-
- return copied;
+ return ret;
}
/*