svn commit: r253644 - head/sys/dev/ata/chipsets
John Baldwin
jhb at freebsd.org
Thu Jul 25 16:35:22 UTC 2013
On Thursday, July 25, 2013 5:12:46 am Alexander Motin wrote:
> Author: mav
> Date: Thu Jul 25 09:12:46 2013
> New Revision: 253644
> URL: http://svnweb.freebsd.org/changeset/base/253644
>
> Log:
> Add missing NULL check after malloc(M_NOWAIT).
>
> Submitted by: Dmitry Luhtionov <dmitryluhtionov at gmail.com>
>
> Modified:
> head/sys/dev/ata/chipsets/ata-promise.c
>
> Modified: head/sys/dev/ata/chipsets/ata-promise.c
> ==============================================================================
> --- head/sys/dev/ata/chipsets/ata-promise.c Thu Jul 25 08:41:22 2013 (r253643)
> +++ head/sys/dev/ata/chipsets/ata-promise.c Thu Jul 25 09:12:46 2013 (r253644)
> @@ -287,6 +287,10 @@ ata_promise_chipinit(device_t dev)
> /* setup host packet controls */
> hpkt = malloc(sizeof(struct ata_promise_sx4),
> M_ATAPCI, M_NOWAIT | M_ZERO);
> + if (hpkt == NULL) {
> + device_printf(dev, "Cannot allocate HPKT\n");
> + goto failnfree;
> + }
> mtx_init(&hpkt->mtx, "ATA promise HPKT lock", NULL, MTX_DEF);
> TAILQ_INIT(&hpkt->queue);
> hpkt->busy = 0;
Why not use M_WAITOK here?
--
John Baldwin
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