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EDAC/ti: Fix handling of platform_get_irq() error

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[ 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: 86a18ee21e ("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>
This commit is contained in:
Krzysztof Kozlowski 2020-08-27 09:07:43 +02:00 committed by Greg Kroah-Hartman
parent 00aed0eabc
commit dc0e1c9184
1 changed files with 2 additions and 1 deletions
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3
drivers/edac/ti_edac.c
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@ -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;