diff mbox series

[RESEND,1/4] hfsplus: Unmap the page in the "fail_page" label

Message ID 20220821181045.8528-2-fmdefrancesco@gmail.com (mailing list archive)
State New, archived
Headers show
Series hfsplus: Replace kmap() with kmap_local_page() | expand

Commit Message

Fabio M. De Francesco Aug. 21, 2022, 6:10 p.m. UTC 
Several paths within hfs_btree_open() jump to the "fail_page" label
where put_page() is called while the page is still mapped.

Call kunmap() to unmap the page soon before put_page().

Cc: Viacheslav Dubeyko <slava@dubeyko.com>
Reviewed-by: Ira Weiny <ira.weiny@intel.com>
Reviewed-by: Viacheslav Dubeyko <slava@dubeyko.com>
Signed-off-by: Fabio M. De Francesco <fmdefrancesco@gmail.com>
---
 fs/hfsplus/btree.c | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

diff --git a/fs/hfsplus/btree.c b/fs/hfsplus/btree.c
index 66774f4cb4fd..3a917a9a4edd 100644
--- a/fs/hfsplus/btree.c
+++ b/fs/hfsplus/btree.c
@@ -245,6 +245,7 @@  struct hfs_btree *hfs_btree_open(struct super_block *sb, u32 id)
 	return tree;
 
  fail_page:
+	kunmap(page);
 	put_page(page);
  free_inode:
 	tree->inode->i_mapping->a_ops = &hfsplus_aops;