[IA64] simplify some condition checks in iosapic_check_gsi_range

Some condition checks on iosapic_check_gsi_range() can be omitted
because always `base <= end' is assured. This patch simplifies those
checks.

Signed-off-by: Satoru Takeuchi <takeuchi_satoru@jp.fujitsu.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>

1 files changed, 1 insertions, 4 deletions

diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 22d845f85366..7956eb9058fc 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -1063,10 +1063,7 @@ iosapic_check_gsi_range (unsigned int gsi_base, unsigned int ver)
                 base = iosapic_lists[index].gsi_base;
                 end  = base + iosapic_lists[index].num_rte - 1;
 
-                if (gsi_base < base && gsi_end < base)
-                        continue;/* OK */
-
-                if (gsi_base > end && gsi_end > end)
+                if (gsi_end < base || end < gsi_base)
                         continue; /* OK */
 
                 return -EBUSY;