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[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: David Woodhouse <dwmw2@infradead.org>
This commit is contained in:
David Woodhouse 2007-06-01 19:21:59 +01:00
parent ea55d30798
commit 718ea8361b
1 changed files with 3 additions and 3 deletions
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6
drivers/mtd/mtdsuper.c
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@ -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,