X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmedia%2Fvideo%2Fsaa6588.c;h=716ee7f64df3c017deffdd15dbf899e48fb8840c;hb=92794a5d6359f9e8ed0d43fe0f3c653f748dcc90;hp=8ba05c214ca7a5222771fd73f3d4ce09a7d4aa71;hpb=c4028958b6ecad064b1a6303a6a5906d4fe48d73;p=linux-2.6 diff --git a/drivers/media/video/saa6588.c b/drivers/media/video/saa6588.c index 8ba05c214c..716ee7f64d 100644 --- a/drivers/media/video/saa6588.c +++ b/drivers/media/video/saa6588.c @@ -44,10 +44,10 @@ static unsigned short normal_i2c[] = { I2C_CLIENT_INSMOD; /* insmod options */ -static unsigned int debug = 0; -static unsigned int xtal = 0; -static unsigned int rbds = 0; -static unsigned int plvl = 0; +static unsigned int debug; +static unsigned int xtal; +static unsigned int rbds; +static unsigned int plvl; static unsigned int bufblocks = 100; module_param(debug, int, 0644); @@ -212,8 +212,10 @@ static void read_from_buf(struct saa6588 *s, struct rds_command *a) if (rd_blocks > s->block_count) rd_blocks = s->block_count; - if (!rd_blocks) + if (!rd_blocks) { + spin_unlock_irqrestore(&s->lock, flags); return; + } for (i = 0; i < rd_blocks; i++) { if (block_to_user_buf(s, buf_ptr)) { @@ -404,6 +406,7 @@ static int saa6588_attach(struct i2c_adapter *adap, int addr, int kind) kfree(s); return -ENOMEM; } + spin_lock_init(&s->lock); s->client = client_template; s->block_count = 0; s->wr_index = 0;