fs/squashfs: sqfs_read: fix dangling pointer dirs->entry

dirs->entry shouldn't be left dangling as it could be freed twice.

Signed-off-by: Richard Genoud <richard.genoud@posteo.net>
[jh80.chung: cherry picked from mainline commit d1d8d75f69f82f7ef7c55b58a7d9e73055956f3c]
Signed-off-by: Jaehoon Chung <jh80.chung@samsung.com>
Change-Id: Ie76becc6bfb30341d1964a34154ebe4014def678

diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index 79a465e2036f298af16d3412963cbb9a3b0aac54..f824339d6a306f0399bb20c1e9121b6b8647c6e8 100644 (file)
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -1339,6 +1339,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
                        break;
 
                free(dirs->entry);
+               dirs->entry = NULL;
        }
 
        if (ret) {