[PATCH v2 2/8] ALSA: pcm: use krealloc_array()
Bartosz Golaszewski
brgl at bgdev.pl
Mon Nov 2 16:20:31 CET 2020
From: Bartosz Golaszewski <bgolaszewski at baylibre.com>
Use the helper that checks for overflows internally instead of manually
calculating the size of the new array.
Signed-off-by: Bartosz Golaszewski <bgolaszewski at baylibre.com>
Reviewed-by: Takashi Iwai <tiwai at suse.de>
---
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 d531e1bc2b81..c6f8f9e252e0 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
More information about the Alsa-devel
mailing list