[PATCH v3 3/9] ALSA: pcm: use krealloc_array()

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From: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>

Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.

Signed-off-by: Bartosz Golaszewski <bgolaszewski@xxxxxxxxxxxx>
Reviewed-by: Takashi Iwai <tiwai@xxxxxxx>
---
 sound/core/pcm_lib.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/core/pcm_lib.c b/sound/core/pcm_lib.c
index bda3514c7b2d..b7e3d8f44511 100644
--- a/sound/core/pcm_lib.c
+++ b/sound/core/pcm_lib.c
@@ -1129,8 +1129,8 @@ int snd_pcm_hw_rule_add(struct snd_pcm_runtime *runtime, unsigned int cond,
 	if (constrs->rules_num >= constrs->rules_all) {
 		struct snd_pcm_hw_rule *new;
 		unsigned int new_rules = constrs->rules_all + 16;
-		new = krealloc(constrs->rules, new_rules * sizeof(*c),
-			       GFP_KERNEL);
+		new = krealloc_array(constrs->rules, new_rules,
+				     sizeof(*c), GFP_KERNEL);
 		if (!new) {
 			va_end(args);
 			return -ENOMEM;
-- 
2.29.1




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