media-radio-miropcm20-rds: BKL pushdown (cad84238) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/media/radio/miropcm20-rds.c

+4 −0

Original line number	Diff line number	Diff line
		@@ -12,6 +12,7 @@
		#include <linux/module.h>
		#include <linux/init.h>
		#include <linux/slab.h>
		#include <linux/smp_lock.h>
		#include <linux/fs.h>
		#include <linux/miscdevice.h>
		#include <linux/delay.h>
		@@ -27,13 +28,16 @@ static int rds_f_open(struct inode in, struct file fi)
		if (rds_users)
		return -EBUSY;

		lock_kernel();
		rds_users++;
		if ((text_buffer=kmalloc(66, GFP_KERNEL)) == 0) {
		rds_users--;
		printk(KERN_NOTICE "aci-rds: Out of memory by open()...\n");
		unlock_kernel();
		return -ENOMEM;
		}

		unlock_kernel();
		return 0;
		}