[dpdk-dev] [PATCH v6 09/70] malloc: replace panics with error messages

Anatoly Burakov anatoly.burakov at intel.com
Wed Apr 11 14:29:44 CEST 2018


We shouldn't ever panic in libraries, let alone in EAL, so
replace all panic messages with error messages.

Signed-off-by: Anatoly Burakov <anatoly.burakov at intel.com>
Tested-by: Santosh Shukla <santosh.shukla at caviumnetworks.com>
Tested-by: Hemant Agrawal <hemant.agrawal at nxp.com>
Tested-by: Gowrishankar Muthukrishnan <gowrishankar.m at linux.vnet.ibm.com>
---
 lib/librte_eal/common/rte_malloc.c | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lib/librte_eal/common/rte_malloc.c b/lib/librte_eal/common/rte_malloc.c
index f11a822..2cda48e 100644
--- a/lib/librte_eal/common/rte_malloc.c
+++ b/lib/librte_eal/common/rte_malloc.c
@@ -30,7 +30,7 @@ void rte_free(void *addr)
 {
 	if (addr == NULL) return;
 	if (malloc_heap_free(malloc_elem_from_data(addr)) < 0)
-		rte_panic("Fatal error: Invalid memory\n");
+		RTE_LOG(ERR, EAL, "Error: Invalid memory\n");
 }
 
 /*
@@ -134,8 +134,10 @@ rte_realloc(void *ptr, size_t size, unsigned align)
 		return rte_malloc(NULL, size, align);
 
 	struct malloc_elem *elem = malloc_elem_from_data(ptr);
-	if (elem == NULL)
-		rte_panic("Fatal error: memory corruption detected\n");
+	if (elem == NULL) {
+		RTE_LOG(ERR, EAL, "Error: memory corruption detected\n");
+		return NULL;
+	}
 
 	size = RTE_CACHE_LINE_ROUNDUP(size), align = RTE_CACHE_LINE_ROUNDUP(align);
 	/* check alignment matches first, and if ok, see if we can resize block */
-- 
2.7.4


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