[iproute PATCH 27/51] nstat: Fix for potential NULL pointer dereference

[Phil Sutter]

If the string at 'p' contains neither space not newline, 'p' will become
NULL. Make sure this isn't the case before dereferencing it.

Signed-off-by: Phil Sutter <p...@nwl.cc>
---
 misc/nstat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/misc/nstat.c b/misc/nstat.c
index a4dd405d43a93..23e1569d7872b 100644
--- a/misc/nstat.c
+++ b/misc/nstat.c
@@ -198,7 +198,7 @@ static void load_ugly_table(FILE *fp)
                off = p - buf;
                p += 2;
 
-               while (*p) {
+               while (p && *p) {
                        char *next;
 
                        if ((next = strchr(p, ' ')) != NULL)
-- 
2.13.1