Commit 0e54c899 authored by Vasiliy Kulikov's avatar Vasiliy Kulikov Committed by Artem Bityutskiy
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UBIFS: check return code of ubifs_lpt_lookup 



Function ubifs_lpt_lookup may return ERR_PTR(...). Check for it.

[Tweaked by Artem Bityutskiy]

Signed-off-by: default avatarVasiliy Kulikov <segooon@gmail.com>
Signed-off-by: default avatarArtem Bityutskiy <Artem.Bityutskiy@nokia.com>
parent 3a8fa0ed

fs/ubifs/lpt.c

+6 −1
Original line number Diff line number Diff line
@@ -1363,6 +1363,7 @@ static int read_lsave(struct ubifs_info *c) 
		goto out;

	for (i = 0; i < c->lsave_cnt; i++) {

		int lnum = c->lsave[i];

		struct ubifs_lprops *lprops;



		/*

		 * Due to automatic resizing, the values in the lsave table
@@ -1370,7 +1371,11 @@ static int read_lsave(struct ubifs_info *c) 
		 */

		if (lnum >= c->leb_cnt)

			continue;

		ubifs_lpt_lookup(c, lnum);

		lprops = ubifs_lpt_lookup(c, lnum);

		if (IS_ERR(lprops)) {

			err = PTR_ERR(lprops);

			goto out;

		}

	}

out:

	vfree(buf);