dm: dump.c: Fix segfault when entry->of_match is NULL
Currently, dm drivers command produces a segfault:
=> dm drivers
Driver Compatible
--------------------------------
Segmentation fault (core dumped)
This is caused by a NULL pointer dereference of entry->of_match.
Add a check to prevent this.
Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Cc: Sean Anderson <seanga2@gmail.com>
Cc: Simon Glass <sjg@chromium.org>
diff --git a/drivers/core/dump.c b/drivers/core/dump.c
index e73ebea..b504639 100644
--- a/drivers/core/dump.c
+++ b/drivers/core/dump.c
@@ -107,7 +107,8 @@
puts("Driver Compatible\n");
puts("--------------------------------\n");
for (entry = d; entry < d + n_ents; entry++) {
- for (match = entry->of_match; match->compatible; match++)
+ for (match = entry->of_match;
+ match && match->compatible; match++)
printf("%-20.20s %s\n",
match == entry->of_match ? entry->name : "",
match->compatible);