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| author | Zou Wei <zou_wei@huawei.com> | 2021-06-08 14:34:08 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2021-07-19 09:45:02 +0200 |
| commit | 3785f3c1e3c77ee5dac7c89399674fa839193330 (patch) | |
| tree | d3517d7c008189e70c70e2e24012e15a50392c81 | |
| parent | b716ccffbc8dc8f14773d4ae7daadbca6167da2d (diff) | |
| download | kernel_replicant_linux-3785f3c1e3c77ee5dac7c89399674fa839193330.tar.gz kernel_replicant_linux-3785f3c1e3c77ee5dac7c89399674fa839193330.tar.bz2 kernel_replicant_linux-3785f3c1e3c77ee5dac7c89399674fa839193330.zip | |
pinctrl: mcp23s08: Fix missing unlock on error in mcp23s08_irq()
commit 884af72c90016cfccd5717439c86b48702cbf184 upstream.
Add the missing unlock before return from function mcp23s08_irq()
in the error handling case.
v1-->v2:
remove the "return IRQ_HANDLED" line
Fixes: 897120d41e7a ("pinctrl: mcp23s08: fix race condition in irq handler")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Zou Wei <zou_wei@huawei.com>
Link: https://lore.kernel.org/r/1623134048-56051-1-git-send-email-zou_wei@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/pinctrl/pinctrl-mcp23s08.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/pinctrl/pinctrl-mcp23s08.c b/drivers/pinctrl/pinctrl-mcp23s08.c index 799d596a1a4b..d0259577934e 100644 --- a/drivers/pinctrl/pinctrl-mcp23s08.c +++ b/drivers/pinctrl/pinctrl-mcp23s08.c @@ -353,7 +353,7 @@ static irqreturn_t mcp23s08_irq(int irq, void *data) if (intf == 0) { /* There is no interrupt pending */ - return IRQ_HANDLED; + goto unlock; } if (mcp_read(mcp, MCP_INTCAP, &intcap)) |