Commit 2fd84b9b authored by Zhang Shurong's avatar Zhang Shurong Committed by Greg Kroah-Hartman
Browse files

uio: pruss: fix to check return value of platform_get_irq() in pruss_probe() 



The platform_get_irq might be failed and return a negative result. So
there should have an error handling code.

Fixed this by adding an error handling code.

Signed-off-by: default avatarZhang Shurong <zhang_shurong@foxmail.com>
Link: https://lore.kernel.org/r/tencent_8E383752B54E5BF860711E500AD8A8971208@qq.com


Signed-off-by: default avatarGreg Kroah-Hartman <gregkh@linuxfoundation.org>
parent 05d56d80

drivers/uio/uio_pruss.c

+5 −1
Original line number Diff line number Diff line
@@ -175,8 +175,12 @@ static int pruss_probe(struct platform_device *pdev) 
		goto err_free_ddr_vaddr;

	}



	ret = platform_get_irq(pdev, 0);

	if (ret < 0)

		goto err_free_ddr_vaddr;



	gdev->hostirq_start = ret;

	gdev->pintc_base = pdata->pintc_base;

	gdev->hostirq_start = platform_get_irq(pdev, 0);



	for (cnt = 0, p = gdev->info; cnt < MAX_PRUSS_EVT; cnt++, p++) {

		p->mem[0].addr = regs_prussio->start;