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| author | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-25 10:58:41 +0200 |
|---|---|---|
| committer | Miquel Raynal <miquel.raynal@bootlin.com> | 2020-05-31 10:53:38 +0200 |
| commit | 058018eb0202d144ae266e0497082366bfd6afff (patch) | |
| tree | e2b66a68119bbb58b07fa8a0f749b0bb89fcdcb9 /drivers/mtd | |
| parent | cde495f83959119d0d2c78e74118a61301b8af32 (diff) | |
| download | linux-stable-058018eb0202d144ae266e0497082366bfd6afff.tar.gz linux-stable-058018eb0202d144ae266e0497082366bfd6afff.tar.bz2 linux-stable-058018eb0202d144ae266e0497082366bfd6afff.zip | |
mtd: rawnand: nandsim: Fix the two ns_alloc_device() error paths
The ns_alloc_device() helper has actually two distinct path. Handle
errors in both of them.
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20200525085851.17682-8-miquel.raynal@bootlin.com
Diffstat (limited to 'drivers/mtd')
| -rw-r--r-- | drivers/mtd/nand/raw/nandsim.c | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/drivers/mtd/nand/raw/nandsim.c b/drivers/mtd/nand/raw/nandsim.c index a439949945f7..da6d919ed185 100644 --- a/drivers/mtd/nand/raw/nandsim.c +++ b/drivers/mtd/nand/raw/nandsim.c @@ -543,12 +543,12 @@ static int __init ns_alloc_device(struct nandsim *ns) if (!(cfile->f_mode & FMODE_CAN_READ)) { NS_ERR("alloc_device: cache file not readable\n"); err = -EINVAL; - goto err_close; + goto err_close_filp; } if (!(cfile->f_mode & FMODE_CAN_WRITE)) { NS_ERR("alloc_device: cache file not writeable\n"); err = -EINVAL; - goto err_close; + goto err_close_filp; } ns->pages_written = vzalloc(array_size(sizeof(unsigned long), @@ -556,16 +556,24 @@ static int __init ns_alloc_device(struct nandsim *ns) if (!ns->pages_written) { NS_ERR("alloc_device: unable to allocate pages written array\n"); err = -ENOMEM; - goto err_close; + goto err_close_filp; } ns->file_buf = kmalloc(ns->geom.pgszoob, GFP_KERNEL); if (!ns->file_buf) { NS_ERR("alloc_device: unable to allocate file buf\n"); err = -ENOMEM; - goto err_free; + goto err_free_pw; } ns->cfile = cfile; + return 0; + +err_free_pw: + vfree(ns->pages_written); +err_close_filp: + filp_close(cfile, NULL); + + return err; } ns->pages = vmalloc(array_size(sizeof(union ns_mem), ns->geom.pgnum)); @@ -580,15 +588,15 @@ static int __init ns_alloc_device(struct nandsim *ns) ns->geom.pgszoob, 0, 0, NULL); if (!ns->nand_pages_slab) { NS_ERR("cache_create: unable to create kmem_cache\n"); - return -ENOMEM; + err = -ENOMEM; + goto err_free_pg; } return 0; -err_free: - vfree(ns->pages_written); -err_close: - filp_close(cfile, NULL); +err_free_pg: + vfree(ns->pages); + return err; } |