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-rw-r--r--crypto/af_alg.c13
1 files changed, 7 insertions, 6 deletions
diff --git a/crypto/af_alg.c b/crypto/af_alg.c
index 358749c38894..415a54ced4d6 100644
--- a/crypto/af_alg.c
+++ b/crypto/af_alg.c
@@ -672,14 +672,15 @@ void af_alg_free_areq_sgls(struct af_alg_async_req *areq)
}
tsgl = areq->tsgl;
- for_each_sg(tsgl, sg, areq->tsgl_entries, i) {
- if (!sg_page(sg))
- continue;
- put_page(sg_page(sg));
- }
+ if (tsgl) {
+ for_each_sg(tsgl, sg, areq->tsgl_entries, i) {
+ if (!sg_page(sg))
+ continue;
+ put_page(sg_page(sg));
+ }
- if (areq->tsgl && areq->tsgl_entries)
sock_kfree_s(sk, tsgl, areq->tsgl_entries * sizeof(*tsgl));
+ }
}
EXPORT_SYMBOL_GPL(af_alg_free_areq_sgls);