Mem class is current class in which kmsg device is holded in. Mem class is exteded by kmsg_sys devices handling.
Signed-off-by: Marcin Niesluchowski <[email protected]> --- drivers/char/mem.c | 20 ++++++++++++++++++-- 1 file changed, 18 insertions(+), 2 deletions(-) diff --git a/drivers/char/mem.c b/drivers/char/mem.c index e518040..8d5ba0d 100644 --- a/drivers/char/mem.c +++ b/drivers/char/mem.c @@ -815,7 +815,11 @@ static int memory_open(struct inode *inode, struct file *filp) minor = iminor(inode); if (minor >= ARRAY_SIZE(devlist)) +#ifdef CONFIG_PRINTK + minor = KMSG_MINOR; +#else return -ENXIO; +#endif dev = &devlist[minor]; if (!dev->fops) @@ -837,8 +841,20 @@ static const struct file_operations memory_fops = { static char *mem_devnode(struct device *dev, umode_t *mode) { - if (mode && devlist[MINOR(dev->devt)].mode) - *mode = devlist[MINOR(dev->devt)].mode; + int minor; + + if (!mode) + return NULL; + + minor = MINOR(dev->devt); + +#ifdef CONFIG_PRINTK + if (minor >= ARRAY_SIZE(devlist)) + kmsg_sys_mode(minor, mode); + else +#endif + if (devlist[minor].mode) + *mode = devlist[minor].mode; return NULL; } -- 1.9.1 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
