[PATCH 02 of 18] tools/blktap: constify string arrays in convert_dev_name_to_num

[Olaf Hering <olaf@aepfle.de>]

# HG changeset patch
# User Olaf Hering <olaf@aepfle.de>
# Date 1333397505 -7200
# Node ID 569fc8260490b64ae837c6ed67f1a5b2e582744c
# Parent  21640ef72ce861892d71f3916ba6ed0f9a411cca
tools/blktap: constify string arrays in convert_dev_name_to_num

Signed-off-by: Olaf Hering <olaf@aepfle.de>

diff -r 21640ef72ce8 -r 569fc8260490 tools/blktap/lib/xs_api.c
--- a/tools/blktap/lib/xs_api.c
+++ b/tools/blktap/lib/xs_api.c
@@ -210,14 +210,15 @@ done:
 }
 
 int convert_dev_name_to_num(char *name) {
-	char *p, *ptr;
+	char *p;
+	const char *ptr;
 	int majors[10] = {3,22,33,34,56,57,88,89,90,91};
 	int maj,i,ret = 0;
-	char *p_sd = "/dev/sd";
-	char *p_hd = "/dev/hd";
-	char *p_xvd = "/dev/xvd";
-	char *p_plx = "plx";
-	char *alpha = "abcdefghijklmnop";
+	const char p_sd[] = "/dev/sd";
+	const char p_hd[] = "/dev/hd";
+	const char p_xvd[] = "/dev/xvd";
+	const char p_plx[] = "plx";
+	const char alpha[] = "abcdefghijklmnop";
 
 	if (strstr(name, p_sd) != NULL) {
 		p = name + strlen(p_sd);