On 31.10.20 06:56, YueHaibing wrote:
Fix smatch warning: mm/zswap.c:425 zswap_cpu_comp_prepare() warn: passing zero to 'PTR_ERR' crypto_alloc_comp() never return NULL, use IS_ERR instead of IS_ERR_OR_NULL to fix this. Fixes: f1c54846ee45 ("zswap: dynamic pool creation") Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx> --- mm/zswap.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/mm/zswap.c b/mm/zswap.c index 1eced701b3bd..55a2f72557a8 100644 --- a/mm/zswap.c +++ b/mm/zswap.c @@ -421,7 +421,7 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node) return 0;tfm = crypto_alloc_comp(pool->tfm_name, 0, 0);- if (IS_ERR_OR_NULL(tfm)) { + if (IS_ERR(tfm)) { pr_err("could not alloc crypto comp %s : %ld\n", pool->tfm_name, PTR_ERR(tfm)); return -ENOMEM;
Reviewed-by: David Hildenbrand <david@xxxxxxxxxx> -- Thanks, David / dhildenb
