btrfs: cleanup, use kmalloc_array/kcalloc array helpers
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>
diff --git a/fs/btrfs/disk-io.c b/fs/btrfs/disk-io.c
index 73b1521..14e4a3e 100644
--- a/fs/btrfs/disk-io.c
+++ b/fs/btrfs/disk-io.c
@@ -302,7 +302,7 @@
offset += cur_len;
}
if (csum_size > sizeof(inline_result)) {
- result = kzalloc(csum_size * sizeof(char), GFP_NOFS);
+ result = kzalloc(csum_size, GFP_NOFS);
if (!result)
return 1;
} else {