Commit 89a342ca authored Apr 28, 2012 by Mike Maslenkin Committed by James Bottomley May 10, 2012

[SCSI] scsi_transport_spi: fix for unbalanced reference counting



Check the domain validation flag on the given device before referencing
scsi_device instance, otherwise if the flag is already set we return without
decrementing the reference count.

Signed-off-by: Mike Maslenkin <mihailm@parallels.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>

parent 9ebd99c5

drivers/scsi/scsi_transport_spi.c

+2 −2

Original line number	Diff line number	Diff line
		@@ -1010,10 +1010,10 @@ spi_dv_device(struct scsi_device *sdev)
		u8 *buffer;
		const int len = SPI_MAX_ECHO_BUFFER_SIZE*2;

		if (unlikely(scsi_device_get(sdev)))
		if (unlikely(spi_dv_in_progress(starget)))
		return;

		if (unlikely(spi_dv_in_progress(starget)))
		if (unlikely(scsi_device_get(sdev)))
		return;
		spi_dv_in_progress(starget) = 1;

Admin message