tree 682bc15c1230921719e5480301f82adae381c9cf
parent 93efbd39870474cc536b9caf4a6efeb03b0bc56f
author Zhouyang Jia <jiazhouyang09@gmail.com> 1529108077 +0800
committer Juergen Gross <jgross@suse.com> 1529412889 +0200

xen/scsiback: add error handling for xenbus_printf

When xenbus_printf fails, the lack of error-handling code may
cause unexpected results.

This patch adds error-handling code after calling xenbus_printf.

Signed-off-by: Zhouyang Jia <jiazhouyang09@gmail.com>
Reviewed-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Juergen Gross <jgross@suse.com>