direct-io.hg

changeset 8507:e93340cf4d02

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test return value of kmalloc to prevent crash is the allocation fail.

Signed-off-by: Vincent Hanquez <vincent@xensource.com>
author vhanquez@kneesa.uk.xensource.com
date Fri Jan 06 22:07:04 2006 +0000 (2006-01-06)
parents a933d82321b3
children d92a68e6faa9
files linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_dev.c
line diff
     1.1 --- a/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_dev.c	Fri Jan 06 22:03:58 2006 +0000
     1.2 +++ b/linux-2.6-xen-sparse/drivers/xen/xenbus/xenbus_dev.c	Fri Jan 06 22:07:04 2006 +0000
     1.3 @@ -140,6 +140,8 @@ static ssize_t xenbus_dev_write(struct f
     1.4  
     1.5  		if (u->u.msg.type == XS_TRANSACTION_START) {
     1.6  			trans = kmalloc(sizeof(*trans), GFP_KERNEL);
     1.7 +			if (!trans)
     1.8 +				return -ENOMEM;
     1.9  			trans->handle = (struct xenbus_transaction *)
    1.10  				simple_strtoul(reply, NULL, 0);
    1.11  			list_add(&trans->list, &u->transactions);