Re: [PATCH 46/61] vfio: Prefer IS_ERR_OR_NULL over manual NULL check
From: Pranjal Shrivastava <praan@google.com>
Date: 2026-03-10 12:54:08
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On Tue, Mar 10, 2026 at 12:49:12PM +0100, Philipp Hahn wrote:
quoted hunk ↗ jump to hunk
Prefer using IS_ERR_OR_NULL() over using IS_ERR() and a manual NULL check. Change generated with coccinelle. To: Alex Williamson <alex@shazbot.org> Cc: kvm@vger.kernel.org Cc: linux-kernel@vger.kernel.org Signed-off-by: Philipp Hahn <redacted> --- drivers/vfio/vfio_main.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)diff --git a/drivers/vfio/vfio_main.c b/drivers/vfio/vfio_main.c index 742477546b15d4dbaf9ebcfb2e67627db71521e0..d71922dfde5885967398deddec3e9e04b05adfec 100644 --- a/drivers/vfio/vfio_main.c +++ b/drivers/vfio/vfio_main.c@@ -923,7 +923,7 @@ vfio_ioctl_device_feature_mig_device_state(struct vfio_device *device, /* Handle the VFIO_DEVICE_FEATURE_SET */ filp = device->mig_ops->migration_set_state(device, mig.device_state); - if (IS_ERR(filp) || !filp) + if (IS_ERR_OR_NULL(filp)) goto out_copy; return vfio_ioct_mig_return_fd(filp, arg, &mig);
Reviewed-by: Pranjal Shrivastava <praan@google.com> The cleanup alone looks fine, but I'm not sure if the maintainers would be happy about the tree-wide spam, since each patch might go through a different tree. I'd wait for Alex's preference/ack on that. Thanks, Praan