of: fdt: Constify 'pathp'

Constify 'pathp' in order to get rid of the following warning:

drivers/of/fdt.c:491:10: warning: assignment discards 'const' qualifier from pointer target type [enabled by default]

Signed-off-by: Fabio Estevam <fabio.estevam@freescale.com>
[Rob Herring: also constify np and lp]
Signed-off-by: Rob Herring <rob.herring@calxeda.com>

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c8be32644c851348636f38c459c05872f81c5282..135b8083212add001b4384db964b3ba879897649 100644 (file)
--- a/drivers/of/fdt.c
+++ b/drivers/of/fdt.c
@@ -460,7 +460,7 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node,
 
        do {
                u32 tag = be32_to_cpup((__be32 *)p);
-               char *pathp;
+               const char *pathp;
 
                p += 4;
                if (tag == OF_DT_END_NODE) {
@@ -488,7 +488,7 @@ int __init of_scan_flat_dt(int (*it)(unsigned long node,
                pathp = (char *)p;
                p = ALIGN(p + strlen(pathp) + 1, 4);
                if ((*pathp) == '/') {
-                       char *lp, *np;
+                       const char *lp, *np;
                        for (lp = NULL, np = pathp; *np; np++)
                                if ((*np) == '/')
                                        lp = np+1;