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>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c
index c8be32644c85..135b8083212a 100644
--- 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;