lkml.org 
[lkml]   [2020]   [Jun]   [9]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] bpf: alloc_record_per_cpu Add null check after malloc
Date
The memset call is made right after malloc call. To fix this, add the null check right after malloc and then do memset.

Signed-off-by: Gaurav Singh <gaurav1086@gmail.com>
---
samples/bpf/xdp_rxq_info_user.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/samples/bpf/xdp_rxq_info_user.c b/samples/bpf/xdp_rxq_info_user.c
index 4fe47502ebed..490b07b7df78 100644
--- a/samples/bpf/xdp_rxq_info_user.c
+++ b/samples/bpf/xdp_rxq_info_user.c
@@ -202,11 +202,11 @@ static struct datarec *alloc_record_per_cpu(void)

size = sizeof(struct datarec) * nr_cpus;
array = malloc(size);
- memset(array, 0, size);
if (!array) {
fprintf(stderr, "Mem alloc error (nr_cpus:%u)\n", nr_cpus);
exit(EXIT_FAIL_MEM);
}
+ memset(array, 0, size);
return array;
}

--
2.17.1
\
 
 \ /
  Last update: 2020-06-09 14:09    [W:0.036 / U:0.100 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site