From: Miles Chen Date: Tue, 10 Jan 2023 03:12:42 +0000 (+0800) Subject: firmware: meson_sm: stop using 0 as NULL pointer X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=fcdc53aceed413dce3ef1d0166a8e9348d5a9c94;p=linux.git firmware: meson_sm: stop using 0 as NULL pointer Use NULL for NULL pointer to fix the following sparse warning: drivers/firmware/meson/meson_sm.c:85:24: sparse: warning: Using plain integer as NULL pointer Signed-off-by: Miles Chen Reviewed-by: Neil Armstrong Link: https://lore.kernel.org/r/20230110031242.4917-1-miles.chen@mediatek.com Signed-off-by: Neil Armstrong --- diff --git a/drivers/firmware/meson/meson_sm.c b/drivers/firmware/meson/meson_sm.c index 77aa5c6398aa6..3f5ff9ed668ef 100644 --- a/drivers/firmware/meson/meson_sm.c +++ b/drivers/firmware/meson/meson_sm.c @@ -82,7 +82,7 @@ static void __iomem *meson_sm_map_shmem(u32 cmd_shmem, unsigned int size) sm_phy_base = __meson_sm_call(cmd_shmem, 0, 0, 0, 0, 0); if (!sm_phy_base) - return 0; + return NULL; return ioremap_cache(sm_phy_base, size); }