From: Sasha Levin <sashal@kernel.org> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de>, Nathan Chancellor <nathan@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, Sasha Levin <sashal@kernel.org>, linux-arm-kernel@lists.infradead.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 4.19 07/28] ARM: keystone: fix integer overflow warning Date: Mon, 12 Apr 2021 12:25:32 -0400 [thread overview] Message-ID: <20210412162553.315227-7-sashal@kernel.org> (raw) In-Reply-To: <20210412162553.315227-1-sashal@kernel.org> From: Arnd Bergmann <arnd@arndb.de> [ Upstream commit 844b85dda2f569943e1e018fdd63b6f7d1d6f08e ] clang warns about an impossible condition when building with 32-bit phys_addr_t: arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare] mem_end > KEYSTONE_HIGH_PHYS_END) { ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare] if (mem_start < KEYSTONE_HIGH_PHYS_START || ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~ Change the temporary variable to a fixed-size u64 to avoid the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Link: https://lore.kernel.org/r/20210323131814.2751750-1-arnd@kernel.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm/mach-keystone/keystone.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index 84613abf35a3..79ff5b953431 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -65,7 +65,7 @@ static void __init keystone_init(void) static long long __init keystone_pv_fixup(void) { long long offset; - phys_addr_t mem_start, mem_end; + u64 mem_start, mem_end; mem_start = memblock_start_of_DRAM(); mem_end = memblock_end_of_DRAM(); @@ -78,7 +78,7 @@ static long long __init keystone_pv_fixup(void) if (mem_start < KEYSTONE_HIGH_PHYS_START || mem_end > KEYSTONE_HIGH_PHYS_END) { pr_crit("Invalid address space for memory (%08llx-%08llx)\n", - (u64)mem_start, (u64)mem_end); + mem_start, mem_end); return 0; } -- 2.30.2
WARNING: multiple messages have this Message-ID (diff)
From: Sasha Levin <sashal@kernel.org> To: linux-kernel@vger.kernel.org, stable@vger.kernel.org Cc: Arnd Bergmann <arnd@arndb.de>, Nathan Chancellor <nathan@kernel.org>, Santosh Shilimkar <ssantosh@kernel.org>, Sasha Levin <sashal@kernel.org>, linux-arm-kernel@lists.infradead.org, clang-built-linux@googlegroups.com Subject: [PATCH AUTOSEL 4.19 07/28] ARM: keystone: fix integer overflow warning Date: Mon, 12 Apr 2021 12:25:32 -0400 [thread overview] Message-ID: <20210412162553.315227-7-sashal@kernel.org> (raw) In-Reply-To: <20210412162553.315227-1-sashal@kernel.org> From: Arnd Bergmann <arnd@arndb.de> [ Upstream commit 844b85dda2f569943e1e018fdd63b6f7d1d6f08e ] clang warns about an impossible condition when building with 32-bit phys_addr_t: arch/arm/mach-keystone/keystone.c:79:16: error: result of comparison of constant 51539607551 with expression of type 'phys_addr_t' (aka 'unsigned int') is always false [-Werror,-Wtautological-constant-out-of-range-compare] mem_end > KEYSTONE_HIGH_PHYS_END) { ~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~ arch/arm/mach-keystone/keystone.c:78:16: error: result of comparison of constant 34359738368 with expression of type 'phys_addr_t' (aka 'unsigned int') is always true [-Werror,-Wtautological-constant-out-of-range-compare] if (mem_start < KEYSTONE_HIGH_PHYS_START || ~~~~~~~~~ ^ ~~~~~~~~~~~~~~~~~~~~~~~~ Change the temporary variable to a fixed-size u64 to avoid the warning. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Reviewed-by: Nathan Chancellor <nathan@kernel.org> Acked-by: Santosh Shilimkar <ssantosh@kernel.org> Link: https://lore.kernel.org/r/20210323131814.2751750-1-arnd@kernel.org' Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Sasha Levin <sashal@kernel.org> --- arch/arm/mach-keystone/keystone.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/arch/arm/mach-keystone/keystone.c b/arch/arm/mach-keystone/keystone.c index 84613abf35a3..79ff5b953431 100644 --- a/arch/arm/mach-keystone/keystone.c +++ b/arch/arm/mach-keystone/keystone.c @@ -65,7 +65,7 @@ static void __init keystone_init(void) static long long __init keystone_pv_fixup(void) { long long offset; - phys_addr_t mem_start, mem_end; + u64 mem_start, mem_end; mem_start = memblock_start_of_DRAM(); mem_end = memblock_end_of_DRAM(); @@ -78,7 +78,7 @@ static long long __init keystone_pv_fixup(void) if (mem_start < KEYSTONE_HIGH_PHYS_START || mem_end > KEYSTONE_HIGH_PHYS_END) { pr_crit("Invalid address space for memory (%08llx-%08llx)\n", - (u64)mem_start, (u64)mem_end); + mem_start, mem_end); return 0; } -- 2.30.2 _______________________________________________ linux-arm-kernel mailing list linux-arm-kernel@lists.infradead.org http://lists.infradead.org/mailman/listinfo/linux-arm-kernel
next prev parent reply other threads:[~2021-04-12 16:40 UTC|newest] Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top 2021-04-12 16:25 [PATCH AUTOSEL 4.19 01/28] net: ieee802154: nl-mac: fix check on panid Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 02/28] ARM: dts: Drop duplicate sha2md5_fck to fix clk_disable race Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 03/28] ARM: dts: Fix moving mmc devices with aliases for omap4 & 5 Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 04/28] lockdep: Add a missing initialization hint to the "INFO: Trying to register non-static key" message Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 05/28] arc: kernel: Return -EFAULT if copy_to_user() fails Sasha Levin 2021-04-12 16:25 ` Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 06/28] neighbour: Disregard DEAD dst in neigh_update Sasha Levin 2021-04-12 16:25 ` Sasha Levin [this message] 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 07/28] ARM: keystone: fix integer overflow warning Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 08/28] drivers: net: fix memory leak in atusb_probe Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 09/28] drivers: net: fix memory leak in peak_usb_create_dev Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 10/28] drm/msm: Fix a5xx/a6xx timestamps Sasha Levin 2021-04-12 16:25 ` Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 11/28] ASoC: fsl_esai: Fix TDM slot setup for I2S mode Sasha Levin 2021-04-12 16:25 ` Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 12/28] scsi: scsi_transport_srp: Don't block target in SRP_PORT_LOST state Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 13/28] net: ieee802154: forbid monitor for set llsec params Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 14/28] net: ieee802154: stop dump llsec keys for monitors Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 15/28] net: ieee802154: stop dump llsec devs " Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 16/28] net: ieee802154: forbid monitor for add llsec dev Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 17/28] net: ieee802154: stop dump llsec devkeys for monitors Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 18/28] net: ieee802154: forbid monitor for add llsec devkey Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 19/28] net: ieee802154: stop dump llsec seclevels for monitors Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 20/28] net: ieee802154: forbid monitor for add llsec seclevel Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 21/28] net: ieee802154: forbid monitor for del " Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 22/28] net: ieee802154: stop dump llsec params for monitors Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 23/28] net: mac802154: Fix general protection fault Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 24/28] pcnet32: Use pci_resource_len to validate PCI resource Sasha Levin 2021-04-12 16:25 ` Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 25/28] net/rds: Avoid potential use after free in rds_send_remove_from_sock Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 26/28] net: tipc: Fix spelling errors in net/tipc module Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 27/28] mac80211: clear sta->fast_rx when STA removed from 4-addr VLAN Sasha Levin 2021-04-12 16:25 ` [PATCH AUTOSEL 4.19 28/28] cfg80211: remove WARN_ON() in cfg80211_sme_connect Sasha Levin
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