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| author | Arnd Bergmann <arnd@arndb.de> | 2008-05-20 19:16:12 +0200 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2008-06-20 22:05:58 +0200 |
| commit | cad84238056babf4e4e6b0de183238224aab8177 (patch) | |
| tree | 19b932998799cbdb4f00aa6cf744ae77f4c11e0a /drivers/media/radio | |
| parent | macintosh-smu: BKL pushdown (diff) | |
| download | linux-cad84238056babf4e4e6b0de183238224aab8177.tar.xz linux-cad84238056babf4e4e6b0de183238224aab8177.zip | |
media-radio-miropcm20-rds: BKL pushdown
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'drivers/media/radio')
| -rw-r--r-- | drivers/media/radio/miropcm20-rds.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/media/radio/miropcm20-rds.c b/drivers/media/radio/miropcm20-rds.c index 06dfed9ef4c7..3e840f74d45c 100644 --- a/drivers/media/radio/miropcm20-rds.c +++ b/drivers/media/radio/miropcm20-rds.c @@ -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; } |