diff options
| author | Jesper Juhl <jj@chaosbits.net> | 2012-12-27 00:31:51 +0400 |
|---|---|---|
| committer | James Bottomley <JBottomley@Parallels.com> | 2013-01-30 03:48:50 +0400 |
| commit | 02db3db5aaa1154a748a7cba93e9f0098ad62f78 (patch) | |
| tree | b927c5f2bbb73b670a51180076327a16e5418e22 /drivers/scsi/csiostor/csio_hw.c | |
| parent | 2b82d825a5fc94c79e7d2a7c54b0cb2d22817cc0 (diff) | |
| download | linux-02db3db5aaa1154a748a7cba93e9f0098ad62f78.tar.xz | |
[SCSI] csiostor: Don't leak mem or fail to release firmware in csio_hw_flash_config()
If kzalloc() or csio_hw_check_fwconfig() fail we may leave the
csio_hw_flash_config() function without freeing allocated memory or
firmware. This should take care of the leaks.
Signed-off-by: Jesper Juhl <jj@chaosbits.net>
Acked-by: Naresh Kumar Inna <naresh@chelsio.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
Diffstat (limited to 'drivers/scsi/csiostor/csio_hw.c')
| -rw-r--r-- | drivers/scsi/csiostor/csio_hw.c | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/drivers/scsi/csiostor/csio_hw.c b/drivers/scsi/csiostor/csio_hw.c index 8ecdb94a59f4..bdd78fb4fc70 100644 --- a/drivers/scsi/csiostor/csio_hw.c +++ b/drivers/scsi/csiostor/csio_hw.c @@ -2131,13 +2131,16 @@ csio_hw_flash_config(struct csio_hw *hw, u32 *fw_cfg_param, char *path) value_to_add = 4 - (cf->size % 4); cfg_data = kzalloc(cf->size+value_to_add, GFP_KERNEL); - if (cfg_data == NULL) - return -ENOMEM; + if (cfg_data == NULL) { + ret = -ENOMEM; + goto leave; + } memcpy((void *)cfg_data, (const void *)cf->data, cf->size); - - if (csio_hw_check_fwconfig(hw, fw_cfg_param) != 0) - return -EINVAL; + if (csio_hw_check_fwconfig(hw, fw_cfg_param) != 0) { + ret = -EINVAL; + goto leave; + } mtype = FW_PARAMS_PARAM_Y_GET(*fw_cfg_param); maddr = FW_PARAMS_PARAM_Z_GET(*fw_cfg_param) << 16; @@ -2149,9 +2152,9 @@ csio_hw_flash_config(struct csio_hw *hw, u32 *fw_cfg_param, char *path) strncpy(path, "/lib/firmware/" CSIO_CF_FNAME, 64); } +leave: kfree(cfg_data); release_firmware(cf); - return ret; } |