In vm_stat_get_per_vm_fops and vcpu_stat_get_per_vm_fops, since we use nonseekable_open() to open, we should use no_llseek() to seek, not generic_file_llseek(). Signed-off-by: Geliang Tang <geliangtang@xxxxxxxxx> --- virt/kvm/kvm_main.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c index c2bb6ab..798f567 100644 --- a/virt/kvm/kvm_main.c +++ b/virt/kvm/kvm_main.c @@ -3689,7 +3689,7 @@ static const struct file_operations vm_stat_get_per_vm_fops = { .release = kvm_debugfs_release, .read = simple_attr_read, .write = simple_attr_write, - .llseek = generic_file_llseek, + .llseek = no_llseek, }; static int vcpu_stat_get_per_vm(void *data, u64 *val) @@ -3734,7 +3734,7 @@ static const struct file_operations vcpu_stat_get_per_vm_fops = { .release = kvm_debugfs_release, .read = simple_attr_read, .write = simple_attr_write, - .llseek = generic_file_llseek, + .llseek = no_llseek, }; static const struct file_operations *stat_fops_per_vm[] = { -- 2.9.3