From: John David Anglin <dave.anglin@bell.net>
Date: Mon, 21 Jul 2025 20:18:41 +0000 (-0400)
Subject: parisc: Drop WARN_ON_ONCE() from flush_cache_vmap
X-Git-Tag: v6.12.44~232
X-Git-Url: http://git.ipfire.org/gitweb.cgi?a=commitdiff_plain;h=8f8a07ad04da5b3c90fab61c33d4a8256a680591;p=thirdparty%2Fkernel%2Fstable.git

parisc: Drop WARN_ON_ONCE() from flush_cache_vmap

commit 4eab1c27ce1f0e89ab67b01bf1e4e4c75215708a upstream.

I have observed warning to occassionally trigger.

Signed-off-by: John David Anglin <dave.anglin@bell.net>
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org # v5.12+
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/parisc/kernel/cache.c b/arch/parisc/kernel/cache.c
index db531e58d70ef..2fd9dc8904fcd 100644
--- a/arch/parisc/kernel/cache.c
+++ b/arch/parisc/kernel/cache.c
@@ -841,7 +841,7 @@ void flush_cache_vmap(unsigned long start, unsigned long end)
 	}
 
 	vm = find_vm_area((void *)start);
-	if (WARN_ON_ONCE(!vm)) {
+	if (!vm) {
 		flush_cache_all();
 		return;
 	}