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Subject[PATCH] affs: add kunmap in error path
Date
When error occurs, it needs to unmap page.

Signed-off-by: Insu Yun <wuninsu@gmail.com>
---
fs/affs/file.c | 4 +++-
1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/fs/affs/file.c b/fs/affs/file.c
index 0548c53..fa4f24e 100644
--- a/fs/affs/file.c
+++ b/fs/affs/file.c
@@ -520,8 +520,10 @@ affs_do_readpage_ofs(struct page *page, unsigned to)

while (pos < to) {
bh = affs_bread_ino(inode, bidx, 0);
- if (IS_ERR(bh))
+ if (IS_ERR(bh)) {
+ kunmap(page);
return PTR_ERR(bh);
+ }
tmp = min(bsize - boff, to - pos);
BUG_ON(pos + tmp > to || tmp > bsize);
memcpy(data + pos, AFFS_DATA(bh) + boff, tmp);
--
1.9.1
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