When checking kexec_flags bit corresponding to the requested image, ensure that 0 or 1 is returned.
Signed-off-by: Eric DeVolder <eric.devol...@oracle.com> --- xen/common/kexec.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/xen/common/kexec.c b/xen/common/kexec.c index aa808cb..3da27bf 100644 --- a/xen/common/kexec.c +++ b/xen/common/kexec.c @@ -1182,7 +1182,8 @@ static int kexec_status(XEN_GUEST_HANDLE_PARAM(void) uarg) if ( kexec_load_get_bits(status.type, &base, &bit) ) return -EINVAL; - return test_bit(bit, &kexec_flags); + /* Ensure return bit value of 0 or 1 */ + return !!test_bit(bit, &kexec_flags); } static int do_kexec_op_internal(unsigned long op, -- 2.7.4 _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org https://lists.xen.org/xen-devel