6.6-stable review patch. If anyone has any objections, please let me know.
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From: Haoxiang Li haoxiang_li2024@163.com
[ Upstream commit 680ad315caaa2860df411cb378bf3614d96c7648 ]
If gio_device_register fails, gio_dev_put() is required to drop the gio_dev device reference.
Fixes: e84de0c61905 ("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 Signed-off-by: Sasha Levin sashal@kernel.org --- arch/mips/sgi-ip22/ip22-gio.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/arch/mips/sgi-ip22/ip22-gio.c b/arch/mips/sgi-ip22/ip22-gio.c index 81c9f0a8880b..7026b464b02e 100644 --- a/arch/mips/sgi-ip22/ip22-gio.c +++ b/arch/mips/sgi-ip22/ip22-gio.c @@ -373,7 +373,8 @@ 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); }