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.
Fixes: f1a304e7941c ("UIO: add PRUSS UIO driver support")
Signed-off-by: Zhang Shurong <zhang_shurong@foxmail.com>
---
drivers/uio/uio_pruss.c | 6 +++++-
1 file changed, 5 insertions(+), 1 deletion(-)
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;
--
2.41.0