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treewide: Replace more open-coded allocation size multiplications

Browse source 
As done treewide earlier, this catches several more open-coded
allocation size calculations that were added to the kernel during the
merge window. This performs the following mechanical transformations
using Coccinelle:

	kvmalloc(a * b, ...) -> kvmalloc_array(a, b, ...)
	kvzalloc(a * b, ...) -> kvcalloc(a, b, ...)
	devm_kzalloc(..., a * b, ...) -> devm_kcalloc(..., a, b, ...)

Signed-off-by: Kees Cook <[email protected]>
This commit is contained in:
Kees Cook 2018-10-05 16:21:46 -07:00
commit 329e098939
10 changed files with 22 additions and 19 deletions
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3
drivers/md/dm-integrity.c
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@ -3462,7 +3462,8 @@ try_smaller_buffer:
r = -ENOMEM;
goto bad;
}
ic->recalc_tags = kvmalloc((RECALC_SECTORS >> ic->sb->log2_sectors_per_block) * ic->tag_size, GFP_KERNEL);
ic->recalc_tags = kvmalloc_array(RECALC_SECTORS >> ic->sb->log2_sectors_per_block,
ic->tag_size, GFP_KERNEL);
if (!ic->recalc_tags) {
ti->error = "Cannot allocate tags for recalculating";
r = -ENOMEM;