Re: [Xen-devel] [PATCH v3 02/16] xenctx: Correct check for xc_interface_open failing (prevents SIGSEGV)

[Don Slutz <dslutz@xxxxxxxxxxx>]

I missed seeing:
http://lists.xen.org/archives/html/xen-devel/2013-10/msg02343.html

Which this is a duplicate of.  Will drop in v4.
   -Don Slutz

On 11/11/13 13:15, Don Slutz wrote:
> From: Don Slutz <dslutz@xxxxxxxxxxx>
>
> Signed-off-by: Don Slutz <dslutz@xxxxxxxxxxx>
> ---
>   tools/xentrace/xenctx.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/xentrace/xenctx.c b/tools/xentrace/xenctx.c
> index 4490d82..3d18bf7 100644
> --- a/tools/xentrace/xenctx.c
> +++ b/tools/xentrace/xenctx.c
> @@ -892,7 +892,7 @@ int main(int argc, char **argv)
>           read_symbol_table(symbol_table);
>   
>       xenctx.xc_handle = xc_interface_open(0,0,0); /* for accessing control interface */
> -    if (xenctx.xc_handle < 0) {
> +    if (!xenctx.xc_handle) {
>           perror("xc_interface_open");
>           exit(-1);
>       }

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