[PATCH v14 24/26] mm: zswap: Consistently use IS_ERR_OR_NULL() to check acomp_ctx resources.

From: Kanchana P Sridhar

Date: Sat Jan 24 2026 - 22:41:41 EST


Use IS_ERR_OR_NULL() in zswap_cpu_comp_prepare() to check for valid
acomp/req, making it consistent with acomp_ctx_dealloc().

Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@xxxxxxxxx>
Acked-by: Yosry Ahmed <yosry.ahmed@xxxxxxxxx>
---
mm/zswap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/mm/zswap.c b/mm/zswap.c
index 9480d54264e4..0d56390342b7 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -783,7 +783,7 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node)
return ret;

acomp_ctx->acomp = crypto_alloc_acomp_node(pool->tfm_name, 0, 0, cpu_to_node(cpu));
- if (IS_ERR(acomp_ctx->acomp)) {
+ if (IS_ERR_OR_NULL(acomp_ctx->acomp)) {
pr_err("could not alloc crypto acomp %s : %ld\n",
pool->tfm_name, PTR_ERR(acomp_ctx->acomp));
ret = PTR_ERR(acomp_ctx->acomp);
@@ -791,7 +791,7 @@ static int zswap_cpu_comp_prepare(unsigned int cpu, struct hlist_node *node)
}

acomp_ctx->req = acomp_request_alloc(acomp_ctx->acomp);
- if (!acomp_ctx->req) {
+ if (IS_ERR_OR_NULL(acomp_ctx->req)) {
pr_err("could not alloc crypto acomp_request %s\n",
pool->tfm_name);
goto fail;
--
2.27.0