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@linaro.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@awinic.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; }