[PATCH 2/2] mm: zswap: Consistently use IS_ERR_OR_NULL() to check acomp_ctx resources.
From: Kanchana P. Sridhar
Date: Sat Mar 14 2026 - 01:22:18 EST
Use IS_ERR_OR_NULL() in zswap_cpu_comp_prepare() to check for valid
acomp/req, making it consistent with acomp_ctx_dealloc().
Co-developed-by: Kanchana P. Sridhar <kanchanapsridhar2026@xxxxxxxxx>
Signed-off-by: Kanchana P. Sridhar <kanchanapsridhar2026@xxxxxxxxx>
Signed-off-by: Kanchana P Sridhar <kanchana.p.sridhar@xxxxxxxxx>
Acked-by: Yosry Ahmed <yosry.ahmed@xxxxxxxxx>
Acked-by: Nhat Pham <nphamcs@xxxxxxxxx>
---
mm/zswap.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/mm/zswap.c b/mm/zswap.c
index 26de0468e33b..6c6c14433556 100644
--- a/mm/zswap.c
+++ b/mm/zswap.c
@@ -786,7 +786,7 @@ 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 : %pe\n",
pool->tfm_name, acomp_ctx->acomp);
ret = PTR_ERR(acomp_ctx->acomp);
@@ -794,7 +794,7 @@ 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;
--
2.39.5