diff options
| author | Thomas Gleixner <tglx@linutronix.de> | 2017-09-13 23:29:17 +0200 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2017-09-25 20:51:48 +0200 |
| commit | 727657e6205d201e9acdb5d2c25bc1cd63c0ab16 (patch) | |
| tree | d34f4b3f4c266aa68a43451d8e0bf839a8b6dd36 /arch/x86/xen/apic.c | |
| parent | 981c2eac1cb97c7db64acf567950e7e81019dd33 (diff) | |
x86/apic: Sanitize return value of apic.set_apic_id()
The set_apic_id() callback returns an unsigned long value which is handed
in to apic_write() as the value argument u32.
Adjust the return value so it returns u32 right away.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Juergen Gross <jgross@suse.com>
Tested-by: Yu Chen <yu.c.chen@intel.com>
Acked-by: Juergen Gross <jgross@suse.com>
Cc: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Cc: Tony Luck <tony.luck@intel.com>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Alok Kataria <akataria@vmware.com>
Cc: Joerg Roedel <joro@8bytes.org>
Cc: "Rafael J. Wysocki" <rjw@rjwysocki.net>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Rui Zhang <rui.zhang@intel.com>
Cc: "K. Y. Srinivasan" <kys@microsoft.com>
Cc: Arjan van de Ven <arjan@linux.intel.com>
Cc: Dan Williams <dan.j.williams@intel.com>
Cc: Len Brown <lenb@kernel.org>
Link: https://lkml.kernel.org/r/20170913213153.437208268@linutronix.de
Diffstat (limited to 'arch/x86/xen/apic.c')
| -rw-r--r-- | arch/x86/xen/apic.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/x86/xen/apic.c b/arch/x86/xen/apic.c index b5e48da7fbff..652d62458d8d 100644 --- a/arch/x86/xen/apic.c +++ b/arch/x86/xen/apic.c @@ -30,7 +30,7 @@ static unsigned int xen_io_apic_read(unsigned apic, unsigned reg) return 0xfd; } -static unsigned long xen_set_apic_id(unsigned int x) +static u32 xen_set_apic_id(unsigned int x) { WARN_ON(1); return x; |