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authorDominik Brodowski <linux@dominikbrodowski.net>2006-01-10 20:48:59 +0100
committerDominik Brodowski <linux@dominikbrodowski.net>2006-03-31 17:01:58 +0200
commit855cdf134dfcf2ecb92ac4ad675cf655d8ceb678 (patch)
tree167a028b44e1bc043b544357d958a6a20529968b /drivers/pcmcia/pcmcia_ioctl.c
parentdbb22f0d65ccc2e9dfeb4c420942f2757a80f8d2 (diff)
[PATCH] pcmcia: always use device pointer to config_t
Update the remaining users using the static lookup table of the PCMCIA function configuration to use the struct pcmcia_device-contained pointer. Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
Diffstat (limited to 'drivers/pcmcia/pcmcia_ioctl.c')
-rw-r--r--drivers/pcmcia/pcmcia_ioctl.c57
1 files changed, 41 insertions, 16 deletions
diff --git a/drivers/pcmcia/pcmcia_ioctl.c b/drivers/pcmcia/pcmcia_ioctl.c
index 80969f7e7a0..56b625d171a 100644
--- a/drivers/pcmcia/pcmcia_ioctl.c
+++ b/drivers/pcmcia/pcmcia_ioctl.c
@@ -70,10 +70,26 @@ extern int ds_pc_debug;
#define ds_dbg(lvl, fmt, arg...) do { } while (0)
#endif
+static struct pcmcia_device *get_pcmcia_device(struct pcmcia_socket *s,
+ unsigned int function)
+{
+ struct pcmcia_device *p_dev = NULL;
+ unsigned long flags;
+
+ spin_lock_irqsave(&pcmcia_dev_list_lock, flags);
+ list_for_each_entry(p_dev, &s->devices_list, socket_device_list) {
+ if (p_dev->func == function) {
+ spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ return pcmcia_get_dev(p_dev);
+ }
+ }
+ spin_unlock_irqrestore(&pcmcia_dev_list_lock, flags);
+ return NULL;
+}
/* backwards-compatible accessing of driver --- by name! */
-static struct pcmcia_driver * get_pcmcia_driver (dev_info_t *dev_info)
+static struct pcmcia_driver *get_pcmcia_driver(dev_info_t *dev_info)
{
struct device_driver *drv;
struct pcmcia_driver *p_drv;
@@ -583,9 +599,11 @@ static int ds_ioctl(struct inode * inode, struct file * file,
if (buf->config.Function &&
(buf->config.Function >= s->functions))
ret = CS_BAD_ARGS;
- else
- ret = pccard_get_configuration_info(s,
- buf->config.Function, &buf->config);
+ else {
+ struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->config.Function);
+ ret = pccard_get_configuration_info(s, p_dev, &buf->config);
+ pcmcia_put_dev(p_dev);
+ }
break;
case DS_GET_FIRST_TUPLE:
down(&s->skt_sem);
@@ -609,12 +627,15 @@ static int ds_ioctl(struct inode * inode, struct file * file,
ret = pccard_reset_card(s);
break;
case DS_GET_STATUS:
- if (buf->status.Function &&
- (buf->status.Function >= s->functions))
- ret = CS_BAD_ARGS;
- else
- ret = pccard_get_status(s, buf->status.Function, &buf->status);
- break;
+ if (buf->status.Function &&
+ (buf->status.Function >= s->functions))
+ ret = CS_BAD_ARGS;
+ else {
+ struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->status.Function);
+ ret = pccard_get_status(s, p_dev, &buf->status);
+ pcmcia_put_dev(p_dev);
+ }
+ break;
case DS_VALIDATE_CIS:
down(&s->skt_sem);
pcmcia_validate_mem(s);
@@ -638,12 +659,16 @@ static int ds_ioctl(struct inode * inode, struct file * file,
err = -EPERM;
goto free_out;
}
- if (buf->conf_reg.Function &&
- (buf->conf_reg.Function >= s->functions))
- ret = CS_BAD_ARGS;
- else
- ret = pccard_access_configuration_register(s,
- buf->conf_reg.Function, &buf->conf_reg);
+
+ ret = CS_BAD_ARGS;
+
+ if (!(buf->conf_reg.Function &&
+ (buf->conf_reg.Function >= s->functions))) {
+ struct pcmcia_device *p_dev = get_pcmcia_device(s, buf->conf_reg.Function);
+ if (p_dev)
+ ret = pcmcia_access_configuration_register(p_dev, &buf->conf_reg);
+ pcmcia_put_dev(p_dev);
+ }
break;
case DS_GET_FIRST_REGION:
case DS_GET_NEXT_REGION: