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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 09:34:27 -0800
commit96869221b4ccab68ccbda3e9cef84bdd39a6fd9e (patch)
tree63dfa228dc35e64f130a384ac4129fbfc754e330
parent711c15b65ef1ac58353e5fe7a0ba8622f52252af (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>
-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 fb0b40a191c2..ee2780dd90a8 100644
--- a/drivers/ata/sata_fsl.c
+++ b/drivers/ata/sata_fsl.c
@@ -1503,7 +1503,7 @@ 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;
}