From: Krzysztof Kozlowski krzk@kernel.org
[ Upstream commit 66077adb70a2a9e92540155b2ace33ec98299c90 ]
platform_get_irq() returns a negative error number on error. In such a case, comparison to 0 would pass the check therefore check the return value properly, whether it is negative.
[ bp: Massage commit message. ]
Fixes: 86a18ee21e5e ("EDAC, ti: Add support for TI keystone and DRA7xx EDAC") Signed-off-by: Krzysztof Kozlowski krzk@kernel.org Signed-off-by: Borislav Petkov bp@suse.de Reviewed-by: Tero Kristo t-kristo@ti.com Link: https://lkml.kernel.org/r/20200827070743.26628-2-krzk@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- drivers/edac/ti_edac.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/edac/ti_edac.c b/drivers/edac/ti_edac.c index 8be3e89a510e4..d7419a90a2f5b 100644 --- a/drivers/edac/ti_edac.c +++ b/drivers/edac/ti_edac.c @@ -278,7 +278,8 @@ static int ti_edac_probe(struct platform_device *pdev)
/* add EMIF ECC error handler */ error_irq = platform_get_irq(pdev, 0); - if (!error_irq) { + if (error_irq < 0) { + ret = error_irq; edac_printk(KERN_ERR, EDAC_MOD_NAME, "EMIF irq number not defined.\n"); goto err;