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authorKrzysztof Kozlowski <krzysztof.kozlowski@linaro.org>2024-07-03 13:16:01 +0300
committerVinod Koul <vkoul@kernel.org>2024-07-09 16:42:49 +0300
commitfdd3d14ca3c8c5269174f10d33d6181173cbd0b4 (patch)
tree7512bc0a70ce2499c5928993a819bbcaf6cb4164 /drivers/soundwire
parentb72d4af98cae2f74dc8061befcc3c0c2a174894f (diff)
downloadlinux-fdd3d14ca3c8c5269174f10d33d6181173cbd0b4.tar.xz
soundwire: debugfs: simplify with cleanup.h
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> Link: https://lore.kernel.org/r/20240703-soundwire-cleanup-h-v1-9-24fa0dbb948f@linaro.org Signed-off-by: Vinod Koul <vkoul@kernel.org>
Diffstat (limited to 'drivers/soundwire')
-rw-r--r--drivers/soundwire/debugfs.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/soundwire/debugfs.c b/drivers/soundwire/debugfs.c
index 6d253d69871d..c30f571934ee 100644
--- a/drivers/soundwire/debugfs.c
+++ b/drivers/soundwire/debugfs.c
@@ -1,6 +1,7 @@
// SPDX-License-Identifier: GPL-2.0-only
// Copyright(c) 2017-2019 Intel Corporation.
+#include <linux/cleanup.h>
#include <linux/device.h>
#include <linux/debugfs.h>
#include <linux/firmware.h>
@@ -49,18 +50,16 @@ static ssize_t sdw_sprintf(struct sdw_slave *slave,
static int sdw_slave_reg_show(struct seq_file *s_file, void *data)
{
struct sdw_slave *slave = s_file->private;
- char *buf;
ssize_t ret;
int i, j;
- buf = kzalloc(RD_BUF, GFP_KERNEL);
+ char *buf __free(kfree) = kzalloc(RD_BUF, GFP_KERNEL);
if (!buf)
return -ENOMEM;
ret = pm_runtime_get_sync(&slave->dev);
if (ret < 0 && ret != -EACCES) {
pm_runtime_put_noidle(&slave->dev);
- kfree(buf);
return ret;
}
@@ -132,8 +131,6 @@ static int sdw_slave_reg_show(struct seq_file *s_file, void *data)
pm_runtime_mark_last_busy(&slave->dev);
pm_runtime_put(&slave->dev);
- kfree(buf);
-
return 0;
}
DEFINE_SHOW_ATTRIBUTE(sdw_slave_reg);