Commit eb042ec3 authored by Wei Fang's avatar Wei Fang Committed by Brian Norris
Browse files

jffs2: fix a memleak in read_direntry() 



Need to free the memory allocated for 'fd' if failed to read all
of the remainder name.

Signed-off-by: default avatarWei Fang <fangwei1@huawei.com>
Signed-off-by: default avatarBrian Norris <computersforpeace@gmail.com>
parent d54e8801

fs/jffs2/readinode.c

+5 −1
Original line number Diff line number Diff line
@@ -660,8 +660,12 @@ static inline int read_direntry(struct jffs2_sb_info *c, struct jffs2_raw_node_r 


		err = jffs2_flash_read(c, (ref_offset(ref)) + read,

				rd->nsize - already, &read, &fd->name[already]);

		if (unlikely(read != rd->nsize - already) && likely(!err))

		if (unlikely(read != rd->nsize - already) && likely(!err)) {

			jffs2_free_full_dirent(fd);

			JFFS2_ERROR("short read: wanted %d bytes, got %zd\n",

				    rd->nsize - already, read);

			return -EIO;

		}



		if (unlikely(err)) {

			JFFS2_ERROR("read remainder of name: error %d\n", err);