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 db531e58d70ef01d5461805f4d2430a0d9efd34b..2fd9dc8904fcd53b811bea5cce6204f317727f7f 100644 (file)
--- 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;
        }