| lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
|
Open Source and information security mailing list archives
| ||
|
Date: Mon, 1 Jul 2024 19:19:16 +0200
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Liam Girdwood <lgirdwood@...il.com>,
Mark Brown <broonie@...nel.org>,
Jaroslav Kysela <perex@...ex.cz>,
Takashi Iwai <tiwai@...e.com>,
Srinivas Kandagatla <srinivas.kandagatla@...aro.org>,
Banajit Goswami <bgoswami@...cinc.com>,
linux-sound@...r.kernel.org,
linux-kernel@...r.kernel.org,
alsa-devel@...a-project.org,
linux-arm-msm@...r.kernel.org
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
Subject: [PATCH 1/2] ASoC: codecs: aw88395: Simplify with cleanup.h
Allocate memory, which is being freed at end of the scope, with
scoped/cleanup.h to reduce number of error paths and make code a bit
simpler.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
---
sound/soc/codecs/aw88395/aw88395_lib.c | 51 +++++++++-----------------
1 file changed, 17 insertions(+), 34 deletions(-)
diff --git a/sound/soc/codecs/aw88395/aw88395_lib.c b/sound/soc/codecs/aw88395/aw88395_lib.c
index f25f6e0d4428..769ca32a5c8e 100644
--- a/sound/soc/codecs/aw88395/aw88395_lib.c
+++ b/sound/soc/codecs/aw88395/aw88395_lib.c
@@ -7,6 +7,7 @@
// Author: Bruce zhao <zhaolei@...nic.com>
//
+#include <linux/cleanup.h>
#include <linux/crc8.h>
#include <linux/i2c.h>
#include "aw88395_lib.h"
@@ -361,11 +362,11 @@ static int aw_dev_parse_raw_dsp_fw(unsigned char *data, unsigned int data_len,
static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *data,
unsigned int data_len, struct aw_prof_desc *prof_desc)
{
- struct aw_bin *aw_bin;
int ret;
int i;
- aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(struct aw_bin), GFP_KERNEL);
+ struct aw_bin *aw_bin __free(kfree) = kzalloc(data_len + sizeof(struct aw_bin),
+ GFP_KERNEL);
if (!aw_bin)
return -ENOMEM;
@@ -375,7 +376,7 @@ static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *
ret = aw_parsing_bin_file(aw_dev, aw_bin);
if (ret < 0) {
dev_err(aw_dev->dev, "parse bin failed");
- goto parse_bin_failed;
+ return ret;
}
for (i = 0; i < aw_bin->all_bin_parse_num; i++) {
@@ -387,10 +388,8 @@ static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *
data + aw_bin->header_info[i].valid_data_addr;
break;
case DATA_TYPE_DSP_REG:
- if (aw_bin->header_info[i].valid_data_len & 0x01) {
- ret = -EINVAL;
- goto parse_bin_failed;
- }
+ if (aw_bin->header_info[i].valid_data_len & 0x01)
+ return -EINVAL;
swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
aw_bin->header_info[i].valid_data_len >> 1);
@@ -402,10 +401,8 @@ static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *
break;
case DATA_TYPE_DSP_FW:
case DATA_TYPE_SOC_APP:
- if (aw_bin->header_info[i].valid_data_len & 0x01) {
- ret = -EINVAL;
- goto parse_bin_failed;
- }
+ if (aw_bin->header_info[i].valid_data_len & 0x01)
+ return -EINVAL;
swab16_array((u16 *)(data + aw_bin->header_info[i].valid_data_addr),
aw_bin->header_info[i].valid_data_len >> 1);
@@ -422,20 +419,17 @@ static int aw_dev_prof_parse_multi_bin(struct aw_device *aw_dev, unsigned char *
}
}
prof_desc->prof_st = AW88395_PROFILE_OK;
- ret = 0;
-parse_bin_failed:
- devm_kfree(aw_dev->dev, aw_bin);
- return ret;
+ return 0;
}
static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev,
uint8_t *data, uint32_t data_len, struct aw_prof_desc *prof_desc)
{
- struct aw_bin *aw_bin;
int ret;
- aw_bin = devm_kzalloc(aw_dev->dev, data_len + sizeof(*aw_bin), GFP_KERNEL);
+ struct aw_bin *aw_bin __free(kfree) = kzalloc(data_len + sizeof(*aw_bin),
+ GFP_KERNEL);
if (!aw_bin)
return -ENOMEM;
@@ -445,14 +439,13 @@ static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev,
ret = aw_parsing_bin_file(aw_dev, aw_bin);
if (ret < 0) {
dev_err(aw_dev->dev, "parse bin failed");
- goto parse_bin_failed;
+ return ret;
}
if ((aw_bin->all_bin_parse_num != 1) ||
(aw_bin->header_info[0].bin_data_type != DATA_TYPE_REGISTER)) {
dev_err(aw_dev->dev, "bin num or type error");
- ret = -EINVAL;
- goto parse_bin_failed;
+ return -EINVAL;
}
prof_desc->sec_desc[AW88395_DATA_TYPE_REG].data =
@@ -461,15 +454,7 @@ static int aw_dev_parse_reg_bin_with_hdr(struct aw_device *aw_dev,
aw_bin->header_info[0].valid_data_len;
prof_desc->prof_st = AW88395_PROFILE_OK;
- devm_kfree(aw_dev->dev, aw_bin);
- aw_bin = NULL;
-
return 0;
-
-parse_bin_failed:
- devm_kfree(aw_dev->dev, aw_bin);
- aw_bin = NULL;
- return ret;
}
static int aw_dev_parse_data_by_sec_type(struct aw_device *aw_dev, struct aw_cfg_hdr *cfg_hdr,
@@ -678,21 +663,21 @@ static int aw_dev_cfg_get_multiple_valid_prof(struct aw_device *aw_dev,
static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev,
struct aw_cfg_hdr *prof_hdr)
{
- struct aw_all_prof_info *all_prof_info;
int ret;
- all_prof_info = devm_kzalloc(aw_dev->dev, sizeof(struct aw_all_prof_info), GFP_KERNEL);
+ struct aw_all_prof_info *all_prof_info __free(kfree) = kzalloc(sizeof(*all_prof_info),
+ GFP_KERNEL);
if (!all_prof_info)
return -ENOMEM;
ret = aw_dev_parse_dev_type(aw_dev, prof_hdr, all_prof_info);
if (ret < 0) {
- goto exit;
+ return ret;
} else if (ret == AW88395_DEV_TYPE_NONE) {
dev_dbg(aw_dev->dev, "get dev type num is 0, parse default dev");
ret = aw_dev_parse_dev_default_type(aw_dev, prof_hdr, all_prof_info);
if (ret < 0)
- goto exit;
+ return ret;
}
switch (aw_dev->prof_data_type) {
@@ -710,8 +695,6 @@ static int aw_dev_load_cfg_by_hdr(struct aw_device *aw_dev,
if (!ret)
aw_dev->prof_info.prof_name_list = profile_name;
-exit:
- devm_kfree(aw_dev->dev, all_prof_info);
return ret;
}
--
2.43.0
Powered by blists - more mailing lists