[dpdk-dev] [PATCH v2] app/testpmd: fix division by zero bug
Min Hu (Connor)
humin29 at huawei.com
Mon Apr 26 13:57:57 CEST 2021
Variable total, which may be zero and result in segmentation fault.
This patch fixed it.
Fixes: 9b1249d9ff69 ("app/testpmd: support dumping socket memory")
Cc: stable at dpdk.org
Signed-off-by: Min Hu (Connor) <humin29 at huawei.com>
---
app/test-pmd/cmdline.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/app/test-pmd/cmdline.c b/app/test-pmd/cmdline.c
index 12efbc0..51d789e 100644
--- a/app/test-pmd/cmdline.c
+++ b/app/test-pmd/cmdline.c
@@ -9727,7 +9727,7 @@ dump_socket_mem(FILE *f)
fprintf(f,
"Total : size(M) total: %.6lf alloc: %.6lf(%.3lf%%) free: %.6lf \tcount alloc: %-4u free: %u\n",
(double)total / (1024 * 1024), (double)alloc / (1024 * 1024),
- (double)alloc * 100 / (double)total,
+ total ? ((double)alloc * 100 / (double)total) : 0,
(double)free / (1024 * 1024),
n_alloc, n_free);
if (last_allocs)
--
2.7.4
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