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authorJack Xu <jack.xu@intel.com>2021-05-17 12:13:15 +0300
committerHerbert Xu <herbert@gondor.apana.org.au>2021-05-28 09:20:40 +0300
commit96b57229209490c8bca4335b01a426a96173dc56 (patch)
tree035bd5c8464f5f71b4a007f4409490e4fb1075de /drivers/crypto/qat/qat_common
parent78b4267a1524849202d4ab45d32ca561775e0f23 (diff)
downloadlinux-96b57229209490c8bca4335b01a426a96173dc56.tar.xz
crypto: qat - check return code of qat_hal_rd_rel_reg()
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@intel.com> Co-developed-by: Zhehui Xiang <zhehui.xiang@intel.com> Signed-off-by: Zhehui Xiang <zhehui.xiang@intel.com> Reviewed-by: Giovanni Cabiddu <giovanni.cabiddu@intel.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Diffstat (limited to 'drivers/crypto/qat/qat_common')
-rw-r--r--drivers/crypto/qat/qat_common/qat_hal.c6
1 files changed, 5 insertions, 1 deletions
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);