Check the return code of the function qat_hal_rd_rel_reg() and return it to the caller. This is to fix the following warning when compiling the driver with clang scan-build: drivers/crypto/qat/qat_common/qat_hal.c:1436:2: warning: 6th function call argument is an uninitialized value Signed-off-by: Jack Xu <jack.xu@xxxxxxxxx> Co-developed-by: Zhehui Xiang <zhehui.xiang@xxxxxxxxx> Signed-off-by: Zhehui Xiang <zhehui.xiang@xxxxxxxxx> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@xxxxxxxxx> --- drivers/crypto/qat/qat_common/qat_hal.c | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/drivers/crypto/qat/qat_common/qat_hal.c b/drivers/crypto/qat/qat_common/qat_hal.c index ed9b81347144..12ca6b8764aa 100644 --- a/drivers/crypto/qat/qat_common/qat_hal.c +++ b/drivers/crypto/qat/qat_common/qat_hal.c @@ -1417,7 +1417,11 @@ static int qat_hal_put_rel_wr_xfer(struct icp_qat_fw_loader_handle *handle, pr_err("QAT: bad xfrAddr=0x%x\n", xfr_addr); return -EINVAL; } - qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval); + status = qat_hal_rd_rel_reg(handle, ae, ctx, ICP_GPB_REL, gprnum, &gprval); + if (status) { + pr_err("QAT: failed to read register"); + return status; + } gpr_addr = qat_hal_get_reg_addr(ICP_GPB_REL, gprnum); data16low = 0xffff & data; data16hi = 0xffff & (data >> 0x10); -- 2.31.1