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md: check for memory allocation failure in faulty personality

It's a fault injection module, but I don't think we should oops here.

Signed-off-by: Sven Wegener <sven.wegener@stealer.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Neil Brown <neilb@suse.de>
Sven Wegener 16 gadi atpakaļ
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08ff39f1c8
1 mainītis faili ar 2 papildinājumiem un 0 dzēšanām
  1. 2 0
      drivers/md/faulty.c

+ 2 - 0
drivers/md/faulty.c

@@ -287,6 +287,8 @@ static int run(mddev_t *mddev)
 	int i;
 
 	conf_t *conf = kmalloc(sizeof(*conf), GFP_KERNEL);
+	if (!conf)
+		return -ENOMEM;
 
 	for (i=0; i<Modes; i++) {
 		atomic_set(&conf->counters[i], 0);