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From: Dan Carpenter <dan.carpenter@oracle.com>
To: kbuild@lists.01.org, Ojaswin Mujoo <ojaswin98@gmail.com>,
	nsaenz@kernel.org
Cc: lkp@intel.com, kbuild-all@lists.01.org,
	gregkh@linuxfoundation.org, stefan.wahren@i2se.com,
	arnd@arndb.de, dan.carpenter@oracle.com, phil@raspberrypi.com,
	bcm-kernel-feedback-list@broadcom.com,
	linux-arm-kernel@lists.infradead.org,
	linux-staging@lists.linux.dev, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 3/5] staging: vchiq: Move vchiq char driver to its own file
Date: Mon, 5 Jul 2021 12:56:09 +0300	[thread overview]
Message-ID: <202107051622.6i1l1vdL-lkp@intel.com> (raw)
In-Reply-To: <3b7178086322f774772d95141764ed99d0698139.1625401927.git.ojaswin98@gmail.com>

Hi Ojaswin,

url:    https://github.com/0day-ci/linux/commits/Ojaswin-Mujoo/vchiq-Patch-to-separate-platform-and-cdev-code/20210705-000124
base:   https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging.git 77ad1f0e99bd00af024e650b862cfda3137af660
config: i386-randconfig-m021-20210705 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-22) 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/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c:1235 vchiq_release() warn: argument 3 to %lx specifier is cast from pointer

vim +1235 drivers/staging/vc04_services/interface/vchiq_arm/vchiq_dev.c

62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1227  static int vchiq_release(struct inode *inode, struct file *file)
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1228  {
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1229  	struct vchiq_instance *instance = file->private_data;
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1230  	struct vchiq_state *state = vchiq_get_state();
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1231  	struct vchiq_service *service;
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1232  	int ret = 0;
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1233  	int i;
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1234  
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04 @1235  	vchiq_log_info(vchiq_arm_log_level, "%s: instance=%lx", __func__,
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1236  		       (unsigned long)instance);

This should eventually be converted to %p so it doesn't defeat KASLR.
(Not that we really care on raspberry pi, I think?)

62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1237  
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1238  	if (!state) {
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1239  		ret = -EPERM;
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1240  		goto out;
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1241  	}
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1242  
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1243  	/* Ensure videocore is awake to allow termination. */
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1244  	vchiq_use_internal(instance->state, NULL, USE_TYPE_VCHIQ);
62b5eb4fdf3f5f Ojaswin Mujoo 2021-07-04  1245  

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org


  reply	other threads:[~2021-07-05  9:57 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-07-04 15:56 [PATCH v3 0/5] vchiq: Patch to separate platform and cdev code Ojaswin Mujoo
2021-07-04 15:57 ` [PATCH v3 1/5] staging: vchiq: Refactor vchiq " Ojaswin Mujoo
2021-07-11 10:33   ` Stefan Wahren
2021-07-04 15:57 ` [PATCH v3 2/5] staging: vchiq: Move certain declarations to vchiq_arm.h Ojaswin Mujoo
2021-07-11 10:34   ` Stefan Wahren
2021-07-04 15:58 ` [PATCH v3 3/5] staging: vchiq: Move vchiq char driver to its own file Ojaswin Mujoo
2021-07-05  9:56   ` Dan Carpenter [this message]
2021-07-05 10:58     ` Ojaswin Mujoo
2021-07-05 11:19       ` Dan Carpenter
2021-07-05 11:24         ` Ojaswin Mujoo
2021-07-11 10:35   ` Stefan Wahren
2021-07-04 15:59 ` [PATCH v3 4/5] staging: vchiq: Make creation of vchiq cdev optional Ojaswin Mujoo
2021-07-11 10:39   ` Stefan Wahren
2021-07-04 15:59 ` [PATCH v3 5/5] staging: vchiq: Combine vchiq platform code into single file Ojaswin Mujoo
2021-07-04 18:07   ` kernel test robot
2021-07-11 10:49   ` Stefan Wahren
2021-07-11 11:28     ` Ojaswin Mujoo
2021-07-21  8:22       ` Greg KH
2021-07-21 16:28         ` Ojaswin Mujoo
2021-07-11 10:29 ` [PATCH v3 0/5] vchiq: Patch to separate platform and cdev code Stefan Wahren

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