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>

diff --git a/fs/squashfs/sqfs.c b/fs/squashfs/sqfs.c
index f4cac3e..13e64be 100644 (file)
--- a/fs/squashfs/sqfs.c
+++ b/fs/squashfs/sqfs.c
@@ -1336,6 +1336,7 @@ int sqfs_read(const char *filename, void *buf, loff_t offset, loff_t len,
                        break;
 
                free(dirs->entry);
+               dirs->entry = NULL;
        }
 
        if (ret) {