From: Cindy Lu lulu@redhat.com
stable inclusion from stable-5.10.75 commit ba39f55952a217b83311467c0b911126dad9b37f bugzilla: 182987 https://gitee.com/openeuler/kernel/issues/I4I3MP
Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=...
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commit bcef9356fc2e1302daf373c83c826aa27954d128 upstream.
Fix the wrong input in for config_cb. In function vhost_vdpa_config_cb, the input cb.private was used as struct vhost_vdpa, so the input was wrong here, fix this issue
Fixes: 776f395004d8 ("vhost_vdpa: Support config interrupt in vdpa") Signed-off-by: Cindy Lu lulu@redhat.com Link: https://lore.kernel.org/r/20210929090933.20465-1-lulu@redhat.com Signed-off-by: Michael S. Tsirkin mst@redhat.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org Signed-off-by: Chen Jun chenjun102@huawei.com Acked-by: Weilong Chen chenweilong@huawei.com
Signed-off-by: Chen Jun chenjun102@huawei.com --- drivers/vhost/vdpa.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/vhost/vdpa.c b/drivers/vhost/vdpa.c index c4d53ff06bf8..fdeb20f2f174 100644 --- a/drivers/vhost/vdpa.c +++ b/drivers/vhost/vdpa.c @@ -325,7 +325,7 @@ static long vhost_vdpa_set_config_call(struct vhost_vdpa *v, u32 __user *argp) struct eventfd_ctx *ctx;
cb.callback = vhost_vdpa_config_cb; - cb.private = v->vdpa; + cb.private = v; if (copy_from_user(&fd, argp, sizeof(fd))) return -EFAULT;