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

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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: Zhang Shurong <zhang_shurong@foxmail.com>
Link: https://lore.kernel.org/r/tencent_8E383752B54E5BF860711E500AD8A8971208@qq.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Zhang Shurong 2023-07-22 23:29:51 +08:00 committed by Greg Kroah-Hartman
parent 05d56d8079
commit 2fd84b9b83
1 changed files with 5 additions and 1 deletions
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6
drivers/uio/uio_pruss.c
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@ -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;