diff options
| author | Jan Beulich <jbeulich@suse.com> | 2012-10-29 09:02:33 +0100 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2012-10-29 09:02:33 +0100 |
| commit | 42f8e580bcc2c7585c9ebdaec09c8079bd5fb2ef (patch) | |
| tree | c1d47a86f1e572f5627a5eae40be4ded8f95a1f1 | |
| parent | 08a5c2cf7dd908db57be8268aa8dd7a80ae17de7 (diff) | |
| download | xen-42f8e580bcc2c7585c9ebdaec09c8079bd5fb2ef.tar.gz xen-42f8e580bcc2c7585c9ebdaec09c8079bd5fb2ef.tar.bz2 xen-42f8e580bcc2c7585c9ebdaec09c8079bd5fb2ef.zip | |
x86/oprof: adjust off-by-one counter range checks
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Acked-by: Keir Fraser <keir@xen.org>
xen-unstable changeset: 26061:4b4c0c7a6031
xen-unstable date: Wed Oct 17 09:23:10 UTC 2012
| -rw-r--r-- | xen/arch/x86/oprofile/xenoprof.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/xen/arch/x86/oprofile/xenoprof.c b/xen/arch/x86/oprofile/xenoprof.c index b926b19e6d..c00f193c26 100644 --- a/xen/arch/x86/oprofile/xenoprof.c +++ b/xen/arch/x86/oprofile/xenoprof.c @@ -25,7 +25,7 @@ int xenoprof_arch_counter(XEN_GUEST_HANDLE(void) arg) if ( copy_from_guest(&counter, arg, 1) ) return -EFAULT; - if ( counter.ind > OP_MAX_COUNTER ) + if ( counter.ind >= OP_MAX_COUNTER ) return -E2BIG; counter_config[counter.ind].count = counter.count; @@ -63,7 +63,7 @@ int compat_oprof_arch_counter(XEN_GUEST_HANDLE(void) arg) if ( copy_from_guest(&counter, arg, 1) ) return -EFAULT; - if ( counter.ind > OP_MAX_COUNTER ) + if ( counter.ind >= OP_MAX_COUNTER ) return -E2BIG; counter_config[counter.ind].count = counter.count; |