[dpdk-dev] [PATCH] eal/stack: fix 'pointer-sign' warning

Phil Yang phil.yang at arm.com
Fri Jun 14 18:54:43 CEST 2019


clang raise 'pointer-sign' warnings in __atomic_compare_exchange
when passing 'uint64_t *' to parameter of type 'int64_t *' converts
between pointers to integer types with different sign.

Fixes: 7e6e609939a8 ("stack: add C11 atomic implementation")

Signed-off-by: Phil Yang <phil.yang at arm.com>
Reviewed-by: Honnappa Nagarahalli <honnappa.nagarahalli at arm.com>

---
 lib/librte_stack/rte_stack_lf_c11.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/librte_stack/rte_stack_lf_c11.h b/lib/librte_stack/rte_stack_lf_c11.h
index a316e9a..e3b9eff 100644
--- a/lib/librte_stack/rte_stack_lf_c11.h
+++ b/lib/librte_stack/rte_stack_lf_c11.h
@@ -97,7 +97,7 @@ __rte_stack_lf_pop_elems(struct rte_stack_lf_list *list,
 	return NULL;
 #else
 	struct rte_stack_lf_head old_head;
-	uint64_t len;
+	int64_t len;
 	int success;
 
 	/* Reserve num elements, if available */
-- 
2.7.4



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