Allocate the memory with scoped/cleanup.h to reduce error handling and make the code a bit simpler.
Signed-off-by: Krzysztof Kozlowski krzysztof.kozlowski@linaro.org --- drivers/soundwire/intel.c | 11 ++++------- 1 file changed, 4 insertions(+), 7 deletions(-)
diff --git a/drivers/soundwire/intel.c b/drivers/soundwire/intel.c index b4449095b423..421da0f86fad 100644 --- a/drivers/soundwire/intel.c +++ b/drivers/soundwire/intel.c @@ -6,6 +6,7 @@ */
#include <linux/acpi.h> +#include <linux/cleanup.h> #include <linux/debugfs.h> #include <linux/delay.h> #include <linux/io.h> @@ -73,12 +74,11 @@ static int intel_reg_show(struct seq_file *s_file, void *data) struct sdw_intel *sdw = s_file->private; void __iomem *s = sdw->link_res->shim; void __iomem *a = sdw->link_res->alh; - char *buf; ssize_t ret; int i, j; unsigned int links, reg;
- buf = kzalloc(RD_BUF, GFP_KERNEL); + char *buf __free(kfree) = kzalloc(RD_BUF, GFP_KERNEL); if (!buf) return -ENOMEM;
@@ -129,7 +129,6 @@ static int intel_reg_show(struct seq_file *s_file, void *data) ret += intel_sprintf(a, true, buf, ret, SDW_ALH_STRMZCFG(i));
seq_printf(s_file, "%s", buf); - kfree(buf);
return 0; } @@ -727,7 +726,6 @@ static int intel_hw_params(struct snd_pcm_substream *substream, struct sdw_cdns_dai_runtime *dai_runtime; struct sdw_cdns_pdi *pdi; struct sdw_stream_config sconfig; - struct sdw_port_config *pconfig; int ch, dir; int ret;
@@ -771,7 +769,8 @@ static int intel_hw_params(struct snd_pcm_substream *substream, sconfig.bps = snd_pcm_format_width(params_format(params));
/* Port configuration */ - pconfig = kzalloc(sizeof(*pconfig), GFP_KERNEL); + struct sdw_port_config *pconfig __free(kfree) = kzalloc(sizeof(*pconfig), + GFP_KERNEL); if (!pconfig) return -ENOMEM;
@@ -783,8 +782,6 @@ static int intel_hw_params(struct snd_pcm_substream *substream, if (ret) dev_err(cdns->dev, "add master to stream failed:%d\n", ret);
- kfree(pconfig); - return ret; }