[frank-w-bpi-r2-4.14:5.14-hdmilarb 45/45] drivers/iommu/iommu.c:926:2: warning: ISO C90 forbids mixed declarations and code

[frank-w-bpi-r2-4.14:5.14-hdmilarb 45/45] drivers/iommu/iommu.c:926:2: warning: ISO C90 forbids mixed declarations and code

[kernel test robot]

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tree:   https://github.com/frank-w/BPI-R2-4.14 5.14-hdmilarb
head:   a11fbee1b23c2d5f7c177ced2043eb54c53a5d50
commit: a11fbee1b23c2d5f7c177ced2043eb54c53a5d50 [45/45] iommu: add debug
config: i386-randconfig-r011-20210714 (attached as .config)
compiler: gcc-10 (Debian 10.2.1-6) 10.2.1 20210110
reproduce (this is a W=1 build):
        # https://github.com/frank-w/BPI-R2-4.14/commit/a11fbee1b23c2d5f7c177ced2043eb54c53a5d50
        git remote add frank-w-bpi-r2-4.14 https://github.com/frank-w/BPI-R2-4.14
        git fetch --no-tags frank-w-bpi-r2-4.14 5.14-hdmilarb
        git checkout a11fbee1b23c2d5f7c177ced2043eb54c53a5d50
        # save the attached .config to linux build tree
        make W=1 ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All warnings (new ones prefixed by >>):

   drivers/iommu/iommu.c: In function 'iommu_group_remove_device':
>> drivers/iommu/iommu.c:926:2: warning: ISO C90 forbids mixed declarations and code [-Wdeclaration-after-statement]
     926 |  struct iommu_group *group = dev->iommu_group;
         |  ^~~~~~


vim +926 drivers/iommu/iommu.c

d72e31c9374627 Alex Williamson  2012-05-30  915  
d72e31c9374627 Alex Williamson  2012-05-30  916  /**
d72e31c9374627 Alex Williamson  2012-05-30  917   * iommu_group_remove_device - remove a device from it's current group
d72e31c9374627 Alex Williamson  2012-05-30  918   * @dev: device to be removed
d72e31c9374627 Alex Williamson  2012-05-30  919   *
d72e31c9374627 Alex Williamson  2012-05-30  920   * This function is called by an iommu driver to remove the device from
d72e31c9374627 Alex Williamson  2012-05-30  921   * it's current group.  This decrements the iommu group reference count.
d72e31c9374627 Alex Williamson  2012-05-30  922   */
d72e31c9374627 Alex Williamson  2012-05-30  923  void iommu_group_remove_device(struct device *dev)
d72e31c9374627 Alex Williamson  2012-05-30  924  {
a11fbee1b23c2d Frank Wunderlich 2021-07-14  925  printk(KERN_ALERT "DEBUG: Passed %s %d \n",__FUNCTION__,__LINE__);
d72e31c9374627 Alex Williamson  2012-05-30 @926  	struct iommu_group *group = dev->iommu_group;
c09e22d5370739 Joerg Roedel     2017-02-01  927  	struct group_device *tmp_device, *device = NULL;
d72e31c9374627 Alex Williamson  2012-05-30  928  

:::::: The code at line 926 was first introduced by commit
:::::: d72e31c9374627068df29da8085ca18c92ae35d3 iommu: IOMMU Groups

:::::: TO: Alex Williamson <alex.williamson@redhat.com>
:::::: CC: Joerg Roedel <joerg.roedel@amd.com>

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

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