Commit 60658e0d authored Sep 19, 2016 by Colin Ian King Committed by Jens Axboe Sep 19, 2016

sbitmap: initialize weight to zero



Variable weight is not being initialized to zero before it is
used to compute the weight sum. Ensure it is initialized to zero.

Found with static analysis with cppcheck:
[lib/sbitmap.c:177]: (error) Uninitialized variable: weight

Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

parent 5c64a8df

lib/sbitmap.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -169,7 +169,7 @@ EXPORT_SYMBOL_GPL(sbitmap_any_bit_clear);

		unsigned int sbitmap_weight(const struct sbitmap *sb)
		{
		unsigned int i, weight;
		unsigned int i, weight = 0;

		for (i = 0; i < sb->map_nr; i++) {
		const struct sbitmap_word *word = &sb->map[i];