snsc: cdev lock_kernel() pushdown (c43ef174) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/char/snsc.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -21,6 +21,7 @@
		#include <linux/poll.h>
		#include <linux/module.h>
		#include <linux/slab.h>
		#include <linux/smp_lock.h>
		#include <asm/sn/io.h>
		#include <asm/sn/sn_sal.h>
		#include <asm/sn/module.h>
		@@ -104,6 +105,7 @@ scdrv_open(struct inode inode, struct file file)
		file->private_data = sd;

		/* hook this subchannel up to the system controller interrupt */
		lock_kernel();
		rv = request_irq(SGI_UART_VECTOR, scdrv_interrupt,
		IRQF_SHARED \| IRQF_DISABLED,
		SYSCTL_BASENAME, sd);
		@@ -111,9 +113,10 @@ scdrv_open(struct inode inode, struct file file)
		ia64_sn_irtr_close(sd->sd_nasid, sd->sd_subch);
		kfree(sd);
		printk("%s: irq request failed (%d)\n", __func__, rv);
		unlock_kernel();
		return -EBUSY;
		}

		unlock_kernel();
		return 0;
		}