wireless: upcase alpha2 values in queue_regulatory_request

This provides a little more flexibility for human users, and it allows
us to use isalpha rather than the custom is_alpha_upper.

Signed-off-by: John W. Linville <linville@tuxdriver.com>

diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index f180db0de66cbc2163ce3dab641b46cb647226d2..b0d9a08447c9f7656b03ff6dfcb2971537a74b9d 100644 (file)
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -36,6 +36,7 @@
 #include <linux/slab.h>
 #include <linux/list.h>
 #include <linux/random.h>
+#include <linux/ctype.h>
 #include <linux/nl80211.h>
 #include <linux/platform_device.h>
 #include <net/cfg80211.h>
@@ -181,14 +182,6 @@ static bool is_alpha2_set(const char *alpha2)
        return false;
 }
 
-static bool is_alpha_upper(char letter)
-{
-       /* ASCII A - Z */
-       if (letter >= 65 && letter <= 90)
-               return true;
-       return false;
-}
-
 static bool is_unknown_alpha2(const char *alpha2)
 {
        if (!alpha2)
@@ -220,7 +213,7 @@ static bool is_an_alpha2(const char *alpha2)
 {
        if (!alpha2)
                return false;
-       if (is_alpha_upper(alpha2[0]) && is_alpha_upper(alpha2[1]))
+       if (isalpha(alpha2[0]) && isalpha(alpha2[1]))
                return true;
        return false;
 }
@@ -1399,6 +1392,11 @@ static DECLARE_WORK(reg_work, reg_todo);
 
 static void queue_regulatory_request(struct regulatory_request *request)
 {
+       if (isalpha(request->alpha2[0]))
+               request->alpha2[0] = toupper(request->alpha2[0]);
+       if (isalpha(request->alpha2[1]))
+               request->alpha2[1] = toupper(request->alpha2[1]);
+
        spin_lock(&reg_requests_lock);
        list_add_tail(&request->list, &reg_requests_list);
        spin_unlock(&reg_requests_lock);