Murilo Opsfelder Araujo aa9a001efa virtio-pci: Remove wrong address verification in vp_del_vqs() ... commit 7e415282b4 upstream. GCC 12 enhanced -Waddress when comparing array address to null [0], which warns: drivers/virtio/virtio_pci_common.c: In function ‘vp_del_vqs’: drivers/virtio/virtio_pci_common.c:257:29: warning: the comparison will always evaluate as ‘true’ for the pointer operand in ‘vp_dev->msix_affinity_masks + (sizetype)((long unsigned int)i * 256)’ must not be NULL [-Waddress] 257 | if (vp_dev->msix_affinity_masks[i]) | ^~~~~~ In fact, the verification is comparing the result of a pointer arithmetic, the address "msix_affinity_masks + i", which will always evaluate to true. Under the hood, free_cpumask_var() calls kfree(), which is safe to pass NULL, not requiring non-null verification. So remove the verification to make compiler happy (happy compiler, happy life). [0] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102103 Signed-off-by: Murilo Opsfelder Araujo <muriloo@linux.ibm.com> Message-Id: <20220415023002.49805-1-muriloo@linux.ibm.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Acked-by: Christophe de Dinechin <dinechin@redhat.com> Cc: Sudip Mukherjee <sudipm.mukherjee@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>		2022-06-22 14:13:20 +02:00
..
Kconfig	vhost,vdpa,virtio: cleanups, fixes	2020-10-23 11:00:57 -07:00
Makefile
virtio.c	virtio: acknowledge all features before access	2022-03-16 14:16:02 +01:00
virtio_balloon.c
virtio_dma_buf.c
virtio_input.c
virtio_mem.c	vhost,vdpa,virtio: cleanups, fixes	2020-10-23 11:00:57 -07:00
virtio_mmio.c	virtio-mmio: fix missing put_device() when vm_cmdline_parent registration failed	2022-06-22 14:13:15 +02:00
virtio_pci_common.c	virtio-pci: Remove wrong address verification in vp_del_vqs()	2022-06-22 14:13:20 +02:00
virtio_pci_common.h
virtio_pci_legacy.c
virtio_pci_modern.c
virtio_ring.c	virtio_ring: mark ring unused on error	2022-01-27 10:54:33 +01:00
virtio_vdpa.c	virtio_vdpa: reject invalid vq indices	2021-09-03 10:09:27 +02:00