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mtd: partitions: Add error check

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add_mtd_device can fail. Add an error check and bail out properly.

Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
This commit is contained in:
Sascha Hauer 2015-02-06 08:38:31 +01:00
parent 31d8b2e83d
commit 891e08b822
1 changed files with 10 additions and 1 deletions
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11
drivers/mtd/partition.c
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@ -108,6 +108,7 @@ struct mtd_info *mtd_add_partition(struct mtd_info *mtd, off_t offset,
uint64_t size, unsigned long flags, const char *name)
{
struct mtd_info *part;
int ret;
part = xzalloc(sizeof(*part));
@ -168,9 +169,17 @@ struct mtd_info *mtd_add_partition(struct mtd_info *mtd, off_t offset,
if (!strncmp(mtd->cdev.name, name, strlen(mtd->cdev.name)))
part->cdev.partname = xstrdup(name + strlen(mtd->cdev.name) + 1);
add_mtd_device(part, part->name, DEVICE_ID_SINGLE);
ret = add_mtd_device(part, part->name, DEVICE_ID_SINGLE);
if (ret)
goto err;
return part;
err:
free(part->cdev.partname);
free(part->name);
free(part);
return ERR_PTR(ret);
}
int mtd_del_partition(struct mtd_info *part)