diff mbox

[dpdk-dev,v2,23/24] rte_hash_crc.h: explicit casts for truncation

Message ID 152600405021.54839.8692295067795244686.stgit@localhost.localdomain (mailing list archive)
State Superseded, archived
Delegated to: Thomas Monjalon
Headers show

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation success Compilation OK

Commit Message

Andy Green May 11, 2018, 2 a.m. UTC
/projects/lagopus/src/dpdk/build/include/rte_hash_crc.h:
In function 'crc32c_sse42_u64_mimic':
/projects/lagopus/src/dpdk/build/include/rte_hash_crc.h:402:40:
warning: conversion from 'uint64_t' {aka 'long unsigned int'}
to 'uint32_t' {aka 'unsigned int'} may change value [-Wconversion]
  init_val = crc32c_sse42_u32(d.u32[0], init_val);

Signed-off-by: Andy Green <andy@warmcat.com>
---
 lib/librte_hash/rte_hash_crc.h |    8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)
diff mbox

Patch

diff --git a/lib/librte_hash/rte_hash_crc.h b/lib/librte_hash/rte_hash_crc.h
index 5f5fb3db1..cf28031b3 100644
--- a/lib/librte_hash/rte_hash_crc.h
+++ b/lib/librte_hash/rte_hash_crc.h
@@ -398,9 +398,9 @@  crc32c_sse42_u64_mimic(uint64_t data, uint64_t init_val)
 	} d;
 
 	d.u64 = data;
-	init_val = crc32c_sse42_u32(d.u32[0], init_val);
-	init_val = crc32c_sse42_u32(d.u32[1], init_val);
-	return init_val;
+	init_val = crc32c_sse42_u32(d.u32[0], (uint32_t)init_val);
+	init_val = crc32c_sse42_u32(d.u32[1], (uint32_t)init_val);
+	return (uint32_t)init_val;
 }
 #endif
 
@@ -412,7 +412,7 @@  crc32c_sse42_u64(uint64_t data, uint64_t init_val)
 			"crc32q %[data], %[init_val];"
 			: [init_val] "+r" (init_val)
 			: [data] "rm" (data));
-	return init_val;
+	return (uint32_t)init_val;
 }
 #endif