linux-kernel - [PATCH v3 01/12] fs/proc/kcore.c: Pass a pointer to virt_addr

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Message-Id: <20230503-virt-to-pfn-v6-4-rc1-v3-1-a16c19c03583@linaro.org>
Date:   Tue, 23 May 2023 16:05:25 +0200
From:   Linus Walleij <linus.walleij@...aro.org>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        Geert Uytterhoeven <geert@...ux-m68k.org>,
        Vineet Gupta <vgupta@...nel.org>,
        Catalin Marinas <catalin.marinas@....com>,
        Will Deacon <will@...nel.org>, Arnd Bergmann <arnd@...db.de>,
        Russell King <linux@...linux.org.uk>,
        Greg Ungerer <gerg@...ux-m68k.org>
Cc:     linux-mm@...r.kernel.org, linux-kernel@...r.kernel.org,
        linux-m68k@...ts.linux-m68k.org,
        linux-snps-arc@...ts.infradead.org, linux-fsdevel@...r.kernel.org,
        linux-cifs@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
        linux-arch@...r.kernel.org,
        Linus Walleij <linus.walleij@...aro.org>
Subject: [PATCH v3 01/12] fs/proc/kcore.c: Pass a pointer to
 virt_addr_valid()

The virt_addr_valid() should be passed a pointer, the current
code passing a long unsigned int is just exploiting the
unintentional polymorphism of these calls being implemented
as preprocessor macros.

Signed-off-by: Linus Walleij <linus.walleij@...aro.org>
---
 fs/proc/kcore.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fs/proc/kcore.c b/fs/proc/kcore.c
index 25b44b303b35..75708c66527f 100644
--- a/fs/proc/kcore.c
+++ b/fs/proc/kcore.c
@@ -199,7 +199,7 @@ kclist_add_private(unsigned long pfn, unsigned long nr_pages, void *arg)
 	ent->addr = (unsigned long)page_to_virt(p);
 	ent->size = nr_pages << PAGE_SHIFT;
 
-	if (!virt_addr_valid(ent->addr))
+	if (!virt_addr_valid((void *)ent->addr))
 		goto free_out;
 
 	/* cut not-mapped area. ....from ppc-32 code. */

-- 
2.34.1