LU-2217 build: fix 'NULL pointer dereference' errors

[fs/lustre-release.git] / lustre / utils / obd.c

diff --git a/lustre/utils/obd.c b/lustre/utils/obd.c
index 3b35a77..4860d5d 100644 (file)
--- a/lustre/utils/obd.c
+++ b/lustre/utils/obd.c
@@ -2859,13 +2859,16 @@ static int jt_blockdev_find_module(const char *module)
         FILE *fp;
         int found = 0;
         char buf[1024];
+       char *ptr;
 
         fp = fopen("/proc/modules", "r");
         if (fp == NULL)
                 return -1;
 
         while (fgets(buf, 1024, fp) != NULL) {
-                *strchr(buf, ' ') = 0;
+               ptr = strchr(buf, ' ');
+               if (ptr != NULL)
+                       *ptr = 0;
                 if (strcmp(module, buf) == 0) {
                         found = 1;
                         break;