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From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Konstantin Ananyev <konstantin.ananyev@intel.com>,
	Jasvinder Singh <jasvinder.singh@intel.com>,
	Olivier Matz <olivier.matz@6wind.com>
Cc: dev@dpdk.org, Ferruh Yigit <ferruh.yigit@intel.com>, stable@dpdk.org
Subject: [dpdk-dev] [PATCH 1/3] lib: fix shifting 32 bits signed variable 31 times
Date: Sun, 28 Oct 2018 01:08:44 +0000	[thread overview]
Message-ID: <20181028010846.81730-1-ferruh.yigit@intel.com> (raw)

Fix cppcheck warning by marking variable as unsigned.

Fixes: dc276b5780c2 ("acl: new library")
Fixes: 986ff526fb84 ("net: add CRC computation API")
Cc: stable@dpdk.org

Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
---
 lib/librte_acl/acl_gen.c     | 2 +-
 lib/librte_net/rte_net_crc.c | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/lib/librte_acl/acl_gen.c b/lib/librte_acl/acl_gen.c
index bed66be08..35a0140b4 100644
--- a/lib/librte_acl/acl_gen.c
+++ b/lib/librte_acl/acl_gen.c
@@ -163,7 +163,7 @@ acl_count_sequential_groups(struct rte_acl_bitset *bits, int zero_one)
 
 	for (n = QRANGE_MIN; n < UINT8_MAX + 1; n++) {
 		if (bits->bits[n / (sizeof(bits_t) * 8)] &
-				(1 << (n % (sizeof(bits_t) * 8)))) {
+				(1U << (n % (sizeof(bits_t) * 8)))) {
 			if (zero_one == 1 && last_bit != 1)
 				ranges++;
 			last_bit = 1;
diff --git a/lib/librte_net/rte_net_crc.c b/lib/librte_net/rte_net_crc.c
index 73ac3a959..dca0830e2 100644
--- a/lib/librte_net/rte_net_crc.c
+++ b/lib/librte_net/rte_net_crc.c
@@ -69,8 +69,8 @@ reflect_32bits(uint32_t val)
 	uint32_t i, res = 0;
 
 	for (i = 0; i < 32; i++)
-		if ((val & (1 << i)) != 0)
-			res |= (uint32_t)(1 << (31 - i));
+		if ((val & (1U << i)) != 0)
+			res |= (uint32_t)(1U << (31 - i));
 
 	return res;
 }
-- 
2.17.2

             reply	other threads:[~2018-10-28  0:09 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-10-28  1:08 Ferruh Yigit [this message]
2018-10-28  1:08 ` [dpdk-dev] [PATCH 2/3] service: fix possible NULL access Ferruh Yigit
2018-10-29 16:12   ` Van Haaren, Harry
2018-10-28  1:08 ` [dpdk-dev] [PATCH 3/3] vhost: fix possible out of bound access Ferruh Yigit
2018-10-31 17:28   ` Maxime Coquelin
2018-11-06  0:26 ` [dpdk-dev] [PATCH 1/3] lib: fix shifting 32 bits signed variable 31 times Thomas Monjalon

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