From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Will Deacon <will@kernel.org>
Cc: lkp@intel.com, kbuild-all@lists.01.org,
linux-arm-kernel@lists.infradead.org,
Marc Zyngier <maz@kernel.org>,
Steven Price <steven.price@arm.com>,
Jianyong Wu <jianyong.wu@arm.com>
Subject: [arm-platforms:kvm-arm64/ptp 1/7] drivers/firmware/smccc/kvm_guest.c:46 kvm_arm_hyp_service_available() warn: signedness bug returning '(-22)'
Date: Wed, 31 Mar 2021 07:37:04 +0300 [thread overview]
Message-ID: <20210331043704.GG2065@kadam> (raw)
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tree: https://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms.git kvm-arm64/ptp
head: b44b5b769890e0e73e2f9fdf461fcbcf72f14ab2
commit: fa591eac2e1ffdba4b7957fcc05b4d1f95246533 [1/7] arm/arm64: Probe for the presence of KVM hypervisor
config: arm64-randconfig-m031-20210330 (attached as .config)
compiler: aarch64-linux-gcc (GCC) 9.3.0
If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
smatch warnings:
drivers/firmware/smccc/kvm_guest.c:46 kvm_arm_hyp_service_available() warn: signedness bug returning '(-22)'
vim +46 drivers/firmware/smccc/kvm_guest.c
fa591eac2e1ffd Will Deacon 2020-12-09 43 bool kvm_arm_hyp_service_available(u32 func_id)
^^^^
fa591eac2e1ffd Will Deacon 2020-12-09 44 {
fa591eac2e1ffd Will Deacon 2020-12-09 45 if (func_id >= ARM_SMCCC_KVM_NUM_FUNCS)
fa591eac2e1ffd Will Deacon 2020-12-09 @46 return -EINVAL;
^^^^^^^^^^^^^^^
This counts as true.
---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org
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next reply other threads:[~2021-03-31 4:39 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-03-31 4:37 Dan Carpenter [this message]
2021-03-31 8:17 ` [arm-platforms:kvm-arm64/ptp 1/7] drivers/firmware/smccc/kvm_guest.c:46 kvm_arm_hyp_service_available() warn: signedness bug returning '(-22)' Marc Zyngier
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