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Commit 1e3e981a authored by Kumar Amit Mehta's avatar Kumar Amit Mehta Committed by Greg Kroah-Hartman
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staging: lustre: lustre: obdclass: obd_mount.c: Fix NULL dereference 



OBD_ALLOC_PTR(uuid) invokes kmalloc, which may return NULL. This fix
adds a check before dereferencing such pointer.

Signed-off-by: default avatarKumar Amit Mehta <gmate.amit@gmail.com>
Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent ef99fd59

drivers/staging/lustre/lustre/obdclass/obd_mount.c

+5 −0
Original line number Diff line number Diff line
@@ -376,6 +376,11 @@ int lustre_start_mgc(struct super_block *sb) 


	/* Random uuid for MGC allows easier reconnects */

	OBD_ALLOC_PTR(uuid);

	if (!uuid) {

		rc = -ENOMEM;

		goto out_free;

	}



	ll_generate_random_uuid(uuidc);

	class_uuid_unparse(uuidc, uuid);