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Commit 718ea836 authored by David Woodhouse's avatar David Woodhouse
Browse files

[MTD] Fix error checking after get_mtd_device() in get_sb_mtd functions 



It returns ERR_PTR(foo) on error, not just NULL.

Signed-off-by: default avatarDavid Woodhouse <dwmw2@infradead.org>
parent ea55d307

drivers/mtd/mtdsuper.c

+3 −3
Original line number Diff line number Diff line
@@ -106,9 +106,9 @@ static int get_sb_mtd_nr(struct file_system_type *fs_type, int flags, 
	struct mtd_info *mtd;



	mtd = get_mtd_device(NULL, mtdnr);

	if (!mtd) {

	if (IS_ERR(mtd)) {

		DEBUG(0, "MTDSB: Device #%u doesn't appear to exist\n", mtdnr);

		return -EINVAL;

		return PTR_ERR(mtd);

	}



	return get_sb_mtd_aux(fs_type, flags, dev_name, data, mtd, fill_super,
@@ -145,7 +145,7 @@ int get_sb_mtd(struct file_system_type *fs_type, int flags, 


			for (mtdnr = 0; mtdnr < MAX_MTD_DEVICES; mtdnr++) {

				mtd = get_mtd_device(NULL, mtdnr);

				if (mtd) {

				if (!IS_ERR(mtd)) {

					if (!strcmp(mtd->name, dev_name + 4))

						return get_sb_mtd_aux(

							fs_type, flags,