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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-25 10:58:42 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-31 10:53:38 +0200 |
| commit | 52bc51c54ef8d8e9358f12666e9f107d9a44f394 (patch) | |
| tree | 0e2d2e235321b565d789873614d585b71f9ee90c | |
| parent | 058018eb0202d144ae266e0497082366bfd6afff (diff) | |
| download | linux-stable-52bc51c54ef8d8e9358f12666e9f107d9a44f394.tar.gz linux-stable-52bc51c54ef8d8e9358f12666e9f107d9a44f394.tar.bz2 linux-stable-52bc51c54ef8d8e9358f12666e9f107d9a44f394.zip | |
mtd: rawnand: nandsim: Free partition names on error in ns_init()
The ns_init() function shall free the partition names allocated by
ns_get_partition_name() on error.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200525085851.17682-9-miquel.raynal@bootlin.com
| -rw-r--r-- | drivers/mtd/nand/raw/nandsim.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index da6d919ed185..53889bce81f1 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -722,12 +722,14 @@ static int __init ns_init(struct mtd_info *mtd) if (remains) { if (parts_num + 1 > ARRAY_SIZE(ns->partitions)) { NS_ERR("too many partitions.\n"); - return -EINVAL; + ret = -EINVAL; + goto free_partition_names; } ns->partitions[i].name = ns_get_partition_name(i); if (!ns->partitions[i].name) { NS_ERR("unable to allocate memory.\n"); - return -ENOMEM; + ret = -ENOMEM; + goto free_partition_names; } ns->partitions[i].offset = next_offset; ns->partitions[i].size = remains; @@ -756,18 +758,25 @@ static int __init ns_init(struct mtd_info *mtd) ret = ns_alloc_device(ns); if (ret) - return ret; + goto free_partition_names; /* Allocate / initialize the internal buffer */ ns->buf.byte = kmalloc(ns->geom.pgszoob, GFP_KERNEL); if (!ns->buf.byte) { NS_ERR("init_nandsim: unable to allocate %u bytes for the internal buffer\n", ns->geom.pgszoob); - return -ENOMEM; + ret = -ENOMEM; + goto free_partition_names; } memset(ns->buf.byte, 0xFF, ns->geom.pgszoob); return 0; + +free_partition_names: + for (i = 0; i < ARRAY_SIZE(ns->partitions); ++i) + kfree(ns->partitions[i].name); + + return ret; } /* |