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btrfs: cleanup, use kmalloc_array/kcalloc array helpers

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Convert kmalloc(nr * size, ..) to kmalloc_array that does additional
overflow checks, the zeroing variant is kcalloc.

Signed-off-by: David Sterba <dsterba@suse.cz>
This commit is contained in:
David Sterba
2015-02-20 18:00:26 +01:00
parent f8c269d722
commit 31e818fe73
11 changed files with 18 additions and 21 deletions
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2
fs/btrfs/free-space-cache.c
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@@ -298,7 +298,7 @@ static int io_ctl_init(struct io_ctl *io_ctl, struct inode *inode,
memset(io_ctl, 0, sizeof(struct io_ctl));
io_ctl->pages = kzalloc(sizeof(struct page *) * num_pages, GFP_NOFS);
io_ctl->pages = kcalloc(num_pages, sizeof(struct page *), GFP_NOFS);
if (!io_ctl->pages)
return -ENOMEM;