From: Roel Kluin <12o3l@tiscali.nl>

xilinx_spi->irq is unsigned, so the test fails

Signed-off-by: Roel Kluin <12o3l@tiscali.nl>
Cc: David Brownell <dbrownell@users.sourceforge.net>
Cc: Andrei Konovalov <akonovalov@ru.mvista.com>
Cc: Yuri Frolov <yfrolov@ru.mvista.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
---

 drivers/spi/xilinx_spi.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff -puN drivers/spi/xilinx_spi.c~xilinx_spi-test-below-0-on-unsigned-irq-in-xilinx_spi_probe drivers/spi/xilinx_spi.c
--- a/drivers/spi/xilinx_spi.c~xilinx_spi-test-below-0-on-unsigned-irq-in-xilinx_spi_probe
+++ a/drivers/spi/xilinx_spi.c
@@ -353,11 +353,12 @@ static int __init xilinx_spi_probe(struc
 		goto put_master;
 	}
 
-	xspi->irq = platform_get_irq(dev, 0);
-	if (xspi->irq < 0) {
+	ret = platform_get_irq(dev, 0);
+	if (ret < 0) {
 		ret = -ENXIO;
 		goto unmap_io;
 	}
+	xspi->irq = ret;
 
 	master->bus_num = pdata->bus_num;
 	master->num_chipselect = pdata->num_chipselect;
_