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sbitmap: initialize weight to zero

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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>
This commit is contained in:
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];