From fe41947e1aa12e96a50edaee123b4e4de03b668b Mon Sep 17 00:00:00 2001 From: Alexandre Bounine Date: Fri, 25 Feb 2011 14:44:31 -0800 Subject: rapidio: fix sysfs config attribute to access 16MB of maint space Fixes sysfs config attribute to allow access to entire 16MB maintenance space of RapidIO devices. Signed-off-by: Alexandre Bounine Cc: Kumar Gala Cc: Matt Porter Cc: Li Yang Cc: Thomas Moll Cc: Micha Nelissen Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- drivers/rapidio/rio-sysfs.c | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) (limited to 'drivers/rapidio/rio-sysfs.c') diff --git a/drivers/rapidio/rio-sysfs.c b/drivers/rapidio/rio-sysfs.c index 76b41853a877..1269fbd2deca 100644 --- a/drivers/rapidio/rio-sysfs.c +++ b/drivers/rapidio/rio-sysfs.c @@ -77,9 +77,9 @@ rio_read_config(struct file *filp, struct kobject *kobj, /* Several chips lock up trying to read undefined config space */ if (capable(CAP_SYS_ADMIN)) - size = 0x200000; + size = RIO_MAINT_SPACE_SZ; - if (off > size) + if (off >= size) return 0; if (off + count > size) { size -= off; @@ -147,10 +147,10 @@ rio_write_config(struct file *filp, struct kobject *kobj, loff_t init_off = off; u8 *data = (u8 *) buf; - if (off > 0x200000) + if (off >= RIO_MAINT_SPACE_SZ) return 0; - if (off + count > 0x200000) { - size = 0x200000 - off; + if (off + count > RIO_MAINT_SPACE_SZ) { + size = RIO_MAINT_SPACE_SZ - off; count = size; } @@ -200,7 +200,7 @@ static struct bin_attribute rio_config_attr = { .name = "config", .mode = S_IRUGO | S_IWUSR, }, - .size = 0x200000, + .size = RIO_MAINT_SPACE_SZ, .read = rio_read_config, .write = rio_write_config, }; -- cgit