diff mbox series

[v13,02/85] KVM: Allow calling kvm_release_page_{clean,dirty}() on a NULL page pointer

Message ID 20241010182427.1434605-3-seanjc@google.com
State Accepted
Headers show
Series KVM: Stop grabbing references to PFNMAP'd pages | expand

Commit Message

Sean Christopherson Oct. 10, 2024, 6:23 p.m. UTC 
Allow passing a NULL @page to kvm_release_page_{clean,dirty}(), there's no
tangible benefit to forcing the callers to pre-check @page, and it ends up
generating a lot of duplicate boilerplate code.

Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Signed-off-by: Sean Christopherson <seanjc@google.com>
---
 virt/kvm/kvm_main.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index 4b659a649dfa..2032292df0b0 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3179,7 +3179,7 @@  static void kvm_set_page_accessed(struct page *page)
 
 void kvm_release_page_clean(struct page *page)
 {
-	if (WARN_ON(!page))
+	if (!page)
 		return;
 
 	kvm_set_page_accessed(page);
@@ -3204,7 +3204,7 @@  EXPORT_SYMBOL_GPL(kvm_release_pfn_clean);
 
 void kvm_release_page_dirty(struct page *page)
 {
-	if (WARN_ON(!page))
+	if (!page)
 		return;
 
 	kvm_set_page_dirty(page);