From: Maxim Shchetynin Date: Tue, 1 Apr 2008 13:12:20 +0000 (+1100) Subject: [POWERPC] Fix rtas_flash procfs interface X-Git-Tag: v2.6.25-rc9~76^2~2 X-Git-Url: http://pilppa.com/gitweb/?a=commitdiff_plain;h=7484839850d826e14b8b024bb048dca8489140ae;p=linux-2.6-omap-h63xx.git [POWERPC] Fix rtas_flash procfs interface Handling of the proc_dir_entry->count was changed in 2.6.24-rc5. After this change, the default value for pde->count is 1 and not 0 as before. Therefore, if we want to check whether our procfs file is already opened (already in use), we have to check if pde->count is greater than 2 rather than 1. Signed-off-by: Maxim Shchetynin Signed-off-by: Jens Osterkamp Signed-off-by: Paul Mackerras --- diff --git a/arch/powerpc/kernel/rtas_flash.c b/arch/powerpc/kernel/rtas_flash.c index f2276593f41..538baf46f15 100644 --- a/arch/powerpc/kernel/rtas_flash.c +++ b/arch/powerpc/kernel/rtas_flash.c @@ -356,7 +356,7 @@ static int rtas_excl_open(struct inode *inode, struct file *file) /* Enforce exclusive open with use count of PDE */ spin_lock(&flash_file_open_lock); - if (atomic_read(&dp->count) > 1) { + if (atomic_read(&dp->count) > 2) { spin_unlock(&flash_file_open_lock); return -EBUSY; }