Messages in this thread Patch in this message | | | From | Zhouyang Jia <> | Subject | [PATCH] net: add error handling for kmem_cache_create | Date | Tue, 12 Jun 2018 12:29:56 +0800 |
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When kmem_cache_create fails, the lack of error-handling code may cause unexpected results.
This patch adds error-handling code after calling kmem_cache_create.
Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com> --- net/decnet/dn_route.c | 3 +++ 1 file changed, 3 insertions(+)
diff --git a/net/decnet/dn_route.c b/net/decnet/dn_route.c index e747650..2b743c7 100644 --- a/net/decnet/dn_route.c +++ b/net/decnet/dn_route.c @@ -1861,6 +1861,9 @@ void __init dn_route_init(void) dn_dst_ops.kmem_cachep = kmem_cache_create("dn_dst_cache", sizeof(struct dn_route), 0, SLAB_HWCACHE_ALIGN|SLAB_PANIC, NULL); + if (!dn_dst_ops.kmem_cachep) + panic("Failed to create dn_dst_cache cache\n"); + dst_entries_init(&dn_dst_ops); timer_setup(&dn_route_timer, dn_dst_check_expire, 0); dn_route_timer.expires = jiffies + decnet_dst_gc_interval * HZ; -- 2.7.4
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