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MIPS: Fix a reference leak bug in ip22_check_gio()

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If gio_device_register fails, gio_dev_put() is required to
drop the gio_dev device reference.

Fixes: e84de0c619 ("MIPS: GIO bus support for SGI IP22/28")
Signed-off-by: Haoxiang Li <haoxiang_li2024@163.com>
Signed-off-by: Thomas Bogendoerfer <tsbogend@alpha.franken.de>
This commit is contained in:
Haoxiang Li
2025-12-04 18:36:18 +08:00
committed by Thomas Bogendoerfer
parent bd94fbe8b5
commit 680ad315ca
1 changed files with 2 additions and 1 deletions
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3
arch/mips/sgi-ip22/ip22-gio.c
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@@ -372,7 +372,8 @@ static void ip22_check_gio(int slotno, unsigned long addr, int irq)
gio_dev->resource.flags = IORESOURCE_MEM;
gio_dev->irq = irq;
dev_set_name(&gio_dev->dev, "%d", slotno);
gio_device_register(gio_dev);
if (gio_device_register(gio_dev))
gio_dev_put(gio_dev);
} else
printk(KERN_INFO "GIO: slot %d : Empty\n", slotno);
}