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authorMiquel Raynal <miquel.raynal@bootlin.com>2020-05-25 10:58:41 +0200
committerMiquel Raynal <miquel.raynal@bootlin.com>2020-05-31 10:53:38 +0200
commit058018eb0202d144ae266e0497082366bfd6afff (patch)
treee2b66a68119bbb58b07fa8a0f749b0bb89fcdcb9
parentcde495f83959119d0d2c78e74118a61301b8af32 (diff)
downloadlinux-058018eb0202d144ae266e0497082366bfd6afff.tar.bz2
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
-rw-r--r--drivers/mtd/nand/raw/nandsim.c26
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;
}