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mtd: use vmalloc_array and vcalloc to simplify code 

Remove array_size() calls and replace vmalloc(array_size()) with
vmalloc_array() and vzalloc(array_size()) with vcalloc() to simplify
the code.

Compile-tested only.

Signed-off-by: Qianfeng Rong <rongqianfeng@vivo.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
pull/1354/merge
Qianfeng Rong 2025-08-12 11:58:53 +08:00 committed by Miquel Raynal
parent e3d2faffdd
commit 81eb13a19a
5 changed files with 10 additions and 12 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
drivers/mtd/ftl.c
View File

@ -263,7 +263,7 @@ static int build_maps(partition_t *part)
/* Set up virtual page map */
blocks = le32_to_cpu(header.FormattedSize) >> header.BlockSize;
part->VirtualBlockMap = vmalloc(array_size(blocks, sizeof(uint32_t)));
part->VirtualBlockMap = vmalloc_array(blocks, sizeof(uint32_t));
if (!part->VirtualBlockMap)
goto out_XferInfo;

5
drivers/mtd/mtdoops.c
View File

@ -356,9 +356,8 @@ static void mtdoops_notify_add(struct mtd_info *mtd)
/* oops_page_used is a bit field */
cxt->oops_page_used =
vmalloc(array_size(sizeof(unsigned long),
DIV_ROUND_UP(mtdoops_pages,
BITS_PER_LONG)));
vmalloc_array(DIV_ROUND_UP(mtdoops_pages, BITS_PER_LONG),
sizeof(unsigned long));
if (!cxt->oops_page_used) {
pr_err("could not allocate page array\n");
return;

4
drivers/mtd/mtdswap.c
View File

@ -1285,11 +1285,11 @@ static int mtdswap_init(struct mtdswap_dev *d, unsigned int eblocks,
for (i = 0; i < MTDSWAP_TREE_CNT; i++)
d->trees[i].root = RB_ROOT;
d->page_data = vmalloc(array_size(pages, sizeof(int)));
d->page_data = vmalloc_array(pages, sizeof(int));
if (!d->page_data)
goto page_data_fail;
d->revmap = vmalloc(array_size(blocks, sizeof(int)));
d->revmap = vmalloc_array(blocks, sizeof(int));
if (!d->revmap)
goto revmap_fail;

7
drivers/mtd/nand/raw/nandsim.c
View File

@ -552,9 +552,8 @@ static int __init ns_alloc_device(struct nandsim *ns)
err = -EINVAL;
goto err_close_filp;
}
ns->pages_written =
vzalloc(array_size(sizeof(unsigned long),
BITS_TO_LONGS(ns->geom.pgnum)));
ns->pages_written = vcalloc(BITS_TO_LONGS(ns->geom.pgnum),
sizeof(unsigned long));
if (!ns->pages_written) {
NS_ERR("alloc_device: unable to allocate pages written array\n");
err = -ENOMEM;
@ -578,7 +577,7 @@ err_close_filp:
return err;
}
ns->pages = vmalloc(array_size(sizeof(union ns_mem), ns->geom.pgnum));
ns->pages = vmalloc_array(ns->geom.pgnum, sizeof(union ns_mem));
if (!ns->pages) {
NS_ERR("alloc_device: unable to allocate page array\n");
return -ENOMEM;

4
drivers/mtd/rfd_ftl.c
View File

@ -190,8 +190,8 @@ static int scan_header(struct partition *part)
if (!part->blocks)
goto err;
part->sector_map = vmalloc(array_size(sizeof(u_long),
part->sector_count));
part->sector_map = vmalloc_array(part->sector_count,
sizeof(u_long));
if (!part->sector_map)
goto err;