diff options
| author | Alex Dewar <alex.dewar90@gmail.com> | 2020-08-20 18:21:18 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2020-11-05 11:51:53 +0100 |
| commit | b7bbf035c7d19b735ec709a02d7298bc77907037 (patch) | |
| tree | 8e6b435f1e384700d4ce3fa8665a9673d84a0c25 | |
| parent | 38ae02bf311295db0e5a4c4fca8d4f0e78044c2e (diff) | |
memory: brcmstb_dpfe: Fix memory leak
commit 4da1edcf8f226d53c02c6b0e3077d581115b30d0 upstream.
In brcmstb_dpfe_download_firmware(), memory is allocated to variable fw by
firmware_request_nowarn(), but never released. Fix up to release fw on
all return paths.
Cc: <stable@vger.kernel.org>
Fixes: 2f330caff577 ("memory: brcmstb: Add driver for DPFE")
Signed-off-by: Alex Dewar <alex.dewar90@gmail.com>
Acked-by: Markus Mayer <mmayer@broadcom.com>
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Link: https://lore.kernel.org/r/20200820172118.781324-1-alex.dewar90@gmail.com
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/memory/brcmstb_dpfe.c | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/drivers/memory/brcmstb_dpfe.c b/drivers/memory/brcmstb_dpfe.c index ddff687c79ea..dcf50bb8dd69 100644 --- a/drivers/memory/brcmstb_dpfe.c +++ b/drivers/memory/brcmstb_dpfe.c @@ -656,8 +656,10 @@ static int brcmstb_dpfe_download_firmware(struct brcmstb_dpfe_priv *priv) return (ret == -ENOENT) ? -EPROBE_DEFER : ret; ret = __verify_firmware(&init, fw); - if (ret) - return -EFAULT; + if (ret) { + ret = -EFAULT; + goto release_fw; + } __disable_dcpu(priv); @@ -676,18 +678,20 @@ static int brcmstb_dpfe_download_firmware(struct brcmstb_dpfe_priv *priv) ret = __write_firmware(priv->dmem, dmem, dmem_size, is_big_endian); if (ret) - return ret; + goto release_fw; ret = __write_firmware(priv->imem, imem, imem_size, is_big_endian); if (ret) - return ret; + goto release_fw; ret = __verify_fw_checksum(&init, priv, header, init.chksum); if (ret) - return ret; + goto release_fw; __enable_dcpu(priv); - return 0; +release_fw: + release_firmware(fw); + return ret; } static ssize_t generic_show(unsigned int command, u32 response[], |