From 641c3187b9d53cfd4c23b0ce2ab18a13d5e775e5 Mon Sep 17 00:00:00 2001 From: Rabin Vincent <rabin@rab.in> Date: Sat, 23 Apr 2011 20:52:58 +0530 Subject: [PATCH] mmc: block: init force_ro sysfs attribute To avoid lockdep warnings: BUG: key dc90a520 not in .data! ------------[ cut here ]------------ WARNING: at /home/rabin/kernel/arm/kernel/lockdep.c:2701 sysfs_add_file_mode+0x4c/0xb0() Modules linked in: [<c004b5d8>] (unwind_backtrace+0x0/0xe4) from [<c0074f20>] (warn_slowpath_common+0x4c/0x64) [<c0074f20>] (warn_slowpath_common+0x4c/0x64) from [<c0074f50>] (warn_slowpath_null+0x18/0x1c) [<c0074f50>] (warn_slowpath_null+0x18/0x1c) from [<c0157fec>] (sysfs_add_file_mode+0x4c/0xb0) [<c0157fec>] (sysfs_add_file_mode+0x4c/0xb0) from [<c02d61e4>] (mmc_add_disk+0x40/0x64) [<c02d61e4>] (mmc_add_disk+0x40/0x64) from [<c02d64cc>] (mmc_blk_probe+0x188/0x1fc) [<c02d64cc>] (mmc_blk_probe+0x188/0x1fc) from [<c02ce820>] (mmc_bus_probe+0x14/0x18) ... Signed-off-by: Rabin Vincent <rabin@rab.in> Signed-off-by: Chris Ball <cjb@laptop.org> --- drivers/mmc/card/block.c | 1 + 1 file changed, 1 insertion(+) diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c index e5bf2bfb5463..e7efd6faeaf9 100644 --- a/drivers/mmc/card/block.c +++ b/drivers/mmc/card/block.c @@ -970,6 +970,7 @@ static int mmc_add_disk(struct mmc_blk_data *md) add_disk(md->disk); md->force_ro.show = force_ro_show; md->force_ro.store = force_ro_store; + sysfs_attr_init(&md->force_ro.attr); md->force_ro.attr.name = "force_ro"; md->force_ro.attr.mode = S_IRUGO | S_IWUSR; ret = device_create_file(disk_to_dev(md->disk), &md->force_ro);