Messages in this thread Patch in this message | | | From | Zhang Shurong <> | Subject | [PATCH] uio: pruss: fix to check return value of platform_get_irq() in pruss_probe() | Date | Sat, 22 Jul 2023 23:29:51 +0800 |
| |
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
| |