From: Krzysztof Kozlowski <k...@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 <k...@kernel.org> Signed-off-by: Borislav Petkov <b...@suse.de> Reviewed-by: Tero Kristo <t-kri...@ti.com> Link: https://lkml.kernel.org/r/20200827070743.26628-2-k...@kernel.org Signed-off-by: Sasha Levin <sas...@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 6ac26d1b929f0..3247689467435 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; -- 2.25.1