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* [PATCH] KVM: use a more sensible error number when debugfs directory creation fails
@ 2013-10-30 11:17 Paolo Bonzini
  2013-10-30 11:20 ` Gleb Natapov
  0 siblings, 1 reply; 2+ messages in thread
From: Paolo Bonzini @ 2013-10-30 11:17 UTC (permalink / raw)
  To: linux-kernel; +Cc: kvm, tim.gardner, gleb, torvalds

I don't know if this was due to cut and paste, or somebody was really
using a D20 to pick the error code for kvm_init_debugfs as suggested by
Linus (EFAULT is 14, so the possibility cannot be entirely ruled out).

In any case, this patch fixes it.

Reported-by: Tim Gardner <tim.gardner@canonical.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 virt/kvm/kvm_main.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/virt/kvm/kvm_main.c b/virt/kvm/kvm_main.c
index a9dd682cf5e3..1cf9ccb01013 100644
--- a/virt/kvm/kvm_main.c
+++ b/virt/kvm/kvm_main.c
@@ -3091,7 +3091,7 @@ static const struct file_operations *stat_fops[] = {
 
 static int kvm_init_debug(void)
 {
-	int r = -EFAULT;
+	int r = -EEXIST;
 	struct kvm_stats_debugfs_item *p;
 
 	kvm_debugfs_dir = debugfs_create_dir("kvm", NULL);
-- 
1.8.3.1


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2013-10-30 11:17 [PATCH] KVM: use a more sensible error number when debugfs directory creation fails Paolo Bonzini
2013-10-30 11:20 ` Gleb Natapov

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