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* [dpdk-dev] [PATCH] net/nfp: check value returned
@ 2019-04-08  9:59 Alejandro Lucero
  2019-04-08  9:59 ` Alejandro Lucero
  2019-04-08 16:31 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
  0 siblings, 2 replies; 6+ messages in thread
From: Alejandro Lucero @ 2019-04-08  9:59 UTC (permalink / raw)
  To: dev; +Cc: stable

Call to CPP read can fail.

Coverity issue: 277209
Fixes: c7e9729da6b5 ("net/nfp: support CPP")
Cc: stable@dpdk.org

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---
 drivers/net/nfp/nfpcore/nfp_cppcore.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/drivers/net/nfp/nfpcore/nfp_cppcore.c b/drivers/net/nfp/nfpcore/nfp_cppcore.c
index 75d3c9748..2ca4283c4 100644
--- a/drivers/net/nfp/nfpcore/nfp_cppcore.c
+++ b/drivers/net/nfp/nfpcore/nfp_cppcore.c
@@ -801,7 +801,8 @@ __nfp_cpp_model_autodetect(struct nfp_cpp *cpp)
 	uint32_t arm_id = NFP_CPP_ID(NFP_CPP_TARGET_ARM, 0, 0);
 	uint32_t model = 0;
 
-	nfp_cpp_readl(cpp, arm_id, NFP6000_ARM_GCSR_SOFTMODEL0, &model);
+	if (nfp_cpp_readl(cpp, arm_id, NFP6000_ARM_GCSR_SOFTMODEL0, &model))
+		return 0;
 
 	if (NFP_CPP_MODEL_IS_6000(model)) {
 		uint32_t tmp;
-- 
2.17.1

^ permalink raw reply	[flat|nested] 6+ messages in thread
* [dpdk-dev] [PATCH] net/nfp: check value returned
@ 2019-04-08 10:10 Alejandro Lucero
  2019-04-08 16:31 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
  0 siblings, 1 reply; 6+ messages in thread
From: Alejandro Lucero @ 2019-04-08 10:10 UTC (permalink / raw)
  To: dev; +Cc: stable

If the call to _nfp6000_cppat_mu_locality fails, the function needs
to return with an error.

Coverity issue: 277215
Fixes: c7e9729da6b5 ("net/nfp: support CPP")
Cc: stable@dpdk.org

Signed-off-by: Alejandro Lucero <alejandro.lucero@netronome.com>
---
 drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h b/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h
index 6e380cca0..538f882bf 100644
--- a/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h
+++ b/drivers/net/nfp/nfpcore/nfp-common/nfp_cppat.h
@@ -368,6 +368,9 @@ _nfp6000_encode_mu(uint64_t *addr, int dest_island, int mode, int addr40,
 	isld[1] = isld1;
 	locality_lsb = _nfp6000_cppat_mu_locality_lsb(mode, addr40);
 
+	if (locality_lsb < 0)
+		return NFP_ERRNO(EINVAL);
+
 	if (((*addr >> locality_lsb) & 3) == _NIC_NFP6000_MU_LOCALITY_DIRECT)
 		da = 1;
 	else
-- 
2.17.1

^ permalink raw reply	[flat|nested] 6+ messages in thread

end of thread, other threads:[~2019-04-08 16:31 UTC | newest]

Thread overview: 6+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2019-04-08  9:59 [dpdk-dev] [PATCH] net/nfp: check value returned Alejandro Lucero
2019-04-08  9:59 ` Alejandro Lucero
2019-04-08 16:31 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2019-04-08 16:31   ` Ferruh Yigit
2019-04-08 10:10 [dpdk-dev] " Alejandro Lucero
2019-04-08 16:31 ` [dpdk-dev] [dpdk-stable] " Ferruh Yigit
2019-04-08 16:31   ` Ferruh Yigit

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