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authorZhang Shurong <zhang_shurong@foxmail.com>2023-07-22 17:29:51 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-08-04 16:21:04 +0200
commit2fd84b9b839c3541815733701a06d9df48297a91 (patch)
treeff6d00edf1d38a0f8ee7d9f75628fdbce31c0cbb /drivers/uio
parentdma-buf/sync_file: Fix docs syntax (diff)
downloadlinux-2fd84b9b839c3541815733701a06d9df48297a91.tar.xz
linux-2fd84b9b839c3541815733701a06d9df48297a91.zip
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: 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>
Diffstat (limited to 'drivers/uio')
-rw-r--r--drivers/uio/uio_pruss.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/uio/uio_pruss.c b/drivers/uio/uio_pruss.c
index 83966dbd3bbf..122c38e2fbbd 100644
--- a/drivers/uio/uio_pruss.c
+++ b/drivers/uio/uio_pruss.c
@@ -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;