git.stricted.de - GitHub/LineageOS/G12/android_kernel_amlogic

author	Zhouyang Jia <jiazhouyang09@gmail.com>
	Thu, 14 Jun 2018 23:34:52 +0000 (07:34 +0800)
committer	Greg Kroah-Hartman <gregkh@linuxfoundation.org>
	Fri, 24 Aug 2018 11:12:29 +0000 (13:12 +0200)
commit	10a4d81876f31c72201a05f23dbce28de64e86cd
tree	285857808719ec6d2608bcb366778c2a59623d67	tree \| snapshot (tar.gz zip)
parent	44af104eabf9ef43179c55478b3e160770e7dec1	commit \| diff

xen: add error handling for xenbus_printf

[ Upstream commit 84c029a73327cef571eaa61c7d6e67e8031b52ec ]

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: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: Juergen Gross <jgross@suse.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>