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authorDmitry Torokhov <dtor@chromium.org>2014-11-14 13:39:05 -0800
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2014-12-16 09:37:09 -0800
commit7a47f5fcb211100744fbd168b5b0c613c66b3cef (patch)
tree880c3f033bcc2ba5fa62bf842b63c7f1e5736d93 /drivers
parent1b3146151e7ab12043975c3f620a3ad3b45b4fad (diff)
sata_fsl: fix error handling of irq_of_parse_and_map
commit aad0b624129709c94c2e19e583b6053520353fa8 upstream. irq_of_parse_and_map() returns 0 on error (the result is unsigned int), so testing for negative result never works. Signed-off-by: Dmitry Torokhov <dtor@chromium.org> Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/ata/sata_fsl.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/ata/sata_fsl.c b/drivers/ata/sata_fsl.c
index 07bc7e4dbd04..65071591b143 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1488,7 +1488,7 @@ static int sata_fsl_probe(struct platform_device *ofdev)
host_priv->csr_base = csr_base;
irq = irq_of_parse_and_map(ofdev->dev.of_node, 0);
- if (irq < 0) {
+ if (!irq) {
dev_err(&ofdev->dev, "invalid irq from platform\n");
goto error_exit_with_cleanup;
}