1 files changed, 10 insertions, 4 deletions

diff --git a/drivers/misc/kgdbts.c b/drivers/misc/kgdbts.c
index e4ff50b95a5e..fcb6ec1af173 100644
--- a/drivers/misc/kgdbts.c
+++ b/drivers/misc/kgdbts.c
@@ -712,6 +712,12 @@ static int run_simple_test(int is_get_char, int chr)
 
         /* End of packet == #XX so look for the '#' */
         if (put_buf_cnt > 3 && put_buf[put_buf_cnt - 3] == '#') {
+                if (put_buf_cnt >= BUFMAX) {
+                        eprintk("kgdbts: ERROR: put buffer overflow on"
+                                " '%s' line %i\n", ts.name, ts.idx);
+                        put_buf_cnt = 0;
+                        return 0;
+                }
                 put_buf[put_buf_cnt] = '\0';
                 v2printk("put%i: %s\n", ts.idx, put_buf);
                 /* Trigger check here */
@@ -885,16 +891,16 @@ static void kgdbts_run_tests(void)
         int nmi_sleep = 0;
         int i;
 
-        ptr = strstr(config, "F");
+        ptr = strchr(config, 'F');
         if (ptr)
                 fork_test = simple_strtol(ptr + 1, NULL, 10);
-        ptr = strstr(config, "S");
+        ptr = strchr(config, 'S');
         if (ptr)
                 do_sys_open_test = simple_strtol(ptr + 1, NULL, 10);
-        ptr = strstr(config, "N");
+        ptr = strchr(config, 'N');
         if (ptr)
                 nmi_sleep = simple_strtol(ptr+1, NULL, 10);
-        ptr = strstr(config, "I");
+        ptr = strchr(config, 'I');
         if (ptr)
                 sstep_test = simple_strtol(ptr+1, NULL, 10);