xen-pciback: rate limit error messages from xen_pcibk_enable_msi{,x}()
authorJan Beulich <jbeulich@suse.com>
Wed, 6 Feb 2013 15:30:38 +0000 (10:30 -0500)
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Wed, 6 Feb 2013 15:31:08 +0000 (10:31 -0500)
commit51ac8893a7a51b196501164e645583bf78138699
tree632bf6bb0659f575876b58cc7d74567739351488
parent9174adbee4a9a49d0139f5d71969852b36720809
xen-pciback: rate limit error messages from xen_pcibk_enable_msi{,x}()

... as being guest triggerable (e.g. by invoking
XEN_PCI_OP_enable_msi{,x} on a device not being MSI/MSI-X capable).

This is CVE-2013-0231 / XSA-43.

Also make the two messages uniform in both their wording and severity.

Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Ian Campbell <ian.campbell@citrix.com>
Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
drivers/xen/xen-pciback/pciback_ops.c