4.20-stable review patch. If anyone has any objections, please let me know. ------------------ [ Upstream commit 1539c7f23f256120f89f8b9ec53160790bce9ed2 ] Randconfig testing revealed a very old bug, with gcc-8: sound/soc/intel/atom/sst/sst_loader.c: In function 'sst_load_fw': sound/soc/intel/atom/sst/sst_loader.c:357:5: error: 'fw' may be used uninitialized in this function [-Werror=maybe-uninitialized] if (fw == NULL) { ^ sound/soc/intel/atom/sst/sst_loader.c:354:25: note: 'fw' was declared here const struct firmware *fw; We must check the return code of request_firmware() before we look at the pointer result that may be uninitialized when the function fails. Fixes: 9012c9544eea ("ASoC: Intel: mrfld - Add DSP load and management") Signed-off-by: Arnd Bergmann <arnd@xxxxxxxx> Acked-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx> Signed-off-by: Mark Brown <broonie@xxxxxxxxxx> Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx> --- sound/soc/intel/atom/sst/sst_loader.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/sound/soc/intel/atom/sst/sst_loader.c b/sound/soc/intel/atom/sst/sst_loader.c index 27413ebae956..b8c456753f01 100644 --- a/sound/soc/intel/atom/sst/sst_loader.c +++ b/sound/soc/intel/atom/sst/sst_loader.c @@ -354,14 +354,14 @@ static int sst_request_fw(struct intel_sst_drv *sst) const struct firmware *fw; retval = request_firmware(&fw, sst->firmware_name, sst->dev); - if (fw == NULL) { - dev_err(sst->dev, "fw is returning as null\n"); - return -EINVAL; - } if (retval) { dev_err(sst->dev, "request fw failed %d\n", retval); return retval; } + if (fw == NULL) { + dev_err(sst->dev, "fw is returning as null\n"); + return -EINVAL; + } mutex_lock(&sst->sst_lock); retval = sst_cache_and_parse_fw(sst, fw); mutex_unlock(&sst->sst_lock); -- 2.19.1