[PATCH v3 3/3] intel-mid: Move boundry check to the start of init code

[Kuppuswamy Sathyanarayanan]

Moved the instance boundary check to the start of the pcal9555a
platform init code. This will prevent unnecessary initialization
on instance boundary error.

Signed-off-by: Kuppuswamy Sathyanarayanan 
<sathyanarayanan.kuppusw...@linux.intel.com>
---
 arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c 
b/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c
index cde764e..4e5dd95 100644
--- a/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c
+++ b/arch/x86/platform/intel-mid/device_libs/platform_pcal9555a.c
@@ -34,6 +34,12 @@ static void __init *pcal9555a_platform_data(void *info)
        char intr_pin_name[SFI_NAME_LEN + 1];
        int gpio_base, intr;
 
+       if (nr >= PCAL9555A_NUM) {
+               pr_err("%s: Too many instances, only %d supported\n", __func__,
+                      PCAL9555A_NUM);
+               return ERR_PTR(-ENOMEM);
+       }
+
        snprintf(base_pin_name, sizeof(base_pin_name), "%s_base", type);
        snprintf(intr_pin_name, sizeof(intr_pin_name), "%s_int", type);
 
@@ -47,12 +53,6 @@ static void __init *pcal9555a_platform_data(void *info)
                return NULL;
        }
 
-       if (nr >= PCAL9555A_NUM) {
-               pr_err("%s: Too many instances, only %d supported\n", __func__,
-                      PCAL9555A_NUM);
-               return ERR_PTR(-ENOMEM);
-       }
-
        pcal9555a = &pcal9555a_pdata[nr++];
        pcal9555a->gpio_base = gpio_base;
 
-- 
2.7.4