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authorThomas Gleixner <tglx@linutronix.de>2019-05-06 12:04:12 +0200
committerThomas Gleixner <tglx@linutronix.de>2019-05-06 12:04:12 +0200
commitfb4e0592654adb31bc6f3a738d6499b816a655d6 (patch)
treee6edaf18cf3a7f49e93fb51de5a47f4b9e786f53 /drivers/hid/hid-debug.c
parent471ba0e686cb13752bc1ff3216c54b69a2d250ea (diff)
parent16e32c3cde7763ab875b9030b443ecbc8e352d8a (diff)
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Merge tag 'irqchip-5.2' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/core
Pull irqchip updates from Marc Zyngier - The huge (and terrifying) TI INTR/INTA set of drivers - Rewrite of the stm32mp1-exti driver as a platform driver - Update the IOMMU MSI mapping API to be RT friendly - A number of cleanups and other low impact fixes
Diffstat (limited to 'drivers/hid/hid-debug.c')
-rw-r--r--drivers/hid/hid-debug.c5
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/hid/hid-debug.c b/drivers/hid/hid-debug.c
index ac9fda1b5a72..1384e57182af 100644
--- a/drivers/hid/hid-debug.c
+++ b/drivers/hid/hid-debug.c
@@ -1060,10 +1060,15 @@ static int hid_debug_rdesc_show(struct seq_file *f, void *p)
seq_printf(f, "\n\n");
/* dump parsed data and input mappings */
+ if (down_interruptible(&hdev->driver_input_lock))
+ return 0;
+
hid_dump_device(hdev, f);
seq_printf(f, "\n");
hid_dump_input_mapping(hdev, f);
+ up(&hdev->driver_input_lock);
+
return 0;
}