[PATCH 1/7] soc: aspeed: lpc-snoop: Cleanup resources in stack-order

Andrew Jeffery andrew at codeconstruct.com.au
Fri Apr 11 11:08:31 AEST 2025


Free the kfifo after unregistering the miscdev in
aspeed_lpc_disable_snoop() as the kfifo is initialised before the
miscdev in aspeed_lpc_enable_snoop().

Fixes: 3772e5da4454 ("drivers/misc: Aspeed LPC snoop output using misc chardev")
Cc: stable at vger.kernel.org
Cc: Jean Delvare <jdelvare at suse.de>
Signed-off-by: Andrew Jeffery <andrew at codeconstruct.com.au>
---
 drivers/soc/aspeed/aspeed-lpc-snoop.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/soc/aspeed/aspeed-lpc-snoop.c b/drivers/soc/aspeed/aspeed-lpc-snoop.c
index 3e3f178b122615b33e10ff25a0b0fe7b40a0b667..bfa770ec51a889260d11c26e675f3320bf710a54 100644
--- a/drivers/soc/aspeed/aspeed-lpc-snoop.c
+++ b/drivers/soc/aspeed/aspeed-lpc-snoop.c
@@ -263,8 +263,8 @@ static void aspeed_lpc_disable_snoop(struct aspeed_lpc_snoop *lpc_snoop,
 		return;
 	}
 
-	kfifo_free(&lpc_snoop->chan[channel].fifo);
 	misc_deregister(&lpc_snoop->chan[channel].miscdev);
+	kfifo_free(&lpc_snoop->chan[channel].fifo);
 }
 
 static int aspeed_lpc_snoop_probe(struct platform_device *pdev)

-- 
2.39.5



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