Allocate the memory with scoped/cleanup.h in dapm_cnew_widget() to reduce error handling (less error paths) and make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org --- sound/soc/soc-dapm.c | 15 +++++++-------- 1 file changed, 7 insertions(+), 8 deletions(-)
diff --git a/sound/soc/soc-dapm.c b/sound/soc/soc-dapm.c index 16dad4a45443..236aa3c8eea1 100644 --- a/sound/soc/soc-dapm.c +++ b/sound/soc/soc-dapm.c @@ -20,6 +20,7 @@ #include <linux/module.h> #include <linux/init.h> #include <linux/async.h> +#include <linux/cleanup.h> #include <linux/delay.h> #include <linux/pm.h> #include <linux/bitops.h> @@ -323,9 +324,9 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget( const struct snd_soc_dapm_widget *_widget, const char *prefix) { - struct snd_soc_dapm_widget *w; - - w = kmemdup(_widget, sizeof(*_widget), GFP_KERNEL); + struct snd_soc_dapm_widget *w __free(kfree) = kmemdup(_widget, + sizeof(*_widget), + GFP_KERNEL); if (!w) return NULL;
@@ -333,20 +334,18 @@ static inline struct snd_soc_dapm_widget *dapm_cnew_widget( w->name = kasprintf(GFP_KERNEL, "%s %s", prefix, _widget->name); else w->name = kstrdup_const(_widget->name, GFP_KERNEL); - if (!w->name) { - kfree(w); + if (!w->name) return NULL; - }
if (_widget->sname) { w->sname = kstrdup_const(_widget->sname, GFP_KERNEL); if (!w->sname) { kfree_const(w->name); - kfree(w); return NULL; } } - return w; + + return_ptr(w); }
struct dapm_kcontrol_data {