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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>
hifive-unleashed-5.1
Colin Ian King 2016-09-19 14:34:08 +01:00 committed by Jens Axboe
parent 5c64a8df0c
commit 60658e0dc1
1 changed files with 1 additions and 1 deletions
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2
lib/sbitmap.c
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@ -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];