From 9a8bd2f76cb78fd730337f1b3b9cbef101ce2dad Mon Sep 17 00:00:00 2001 From: Arnd Bergmann Date: Tue, 20 May 2008 19:15:37 +0200 Subject: [PATCH] bf561-coreb: BKL pushdown Signed-off-by: Arnd Bergmann --- arch/blackfin/mach-bf561/coreb.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/arch/blackfin/mach-bf561/coreb.c b/arch/blackfin/mach-bf561/coreb.c index 1b44e9e6dc3b..852647801a01 100644 --- a/arch/blackfin/mach-bf561/coreb.c +++ b/arch/blackfin/mach-bf561/coreb.c @@ -32,6 +32,7 @@ #include #include #include +#include #include #include #include @@ -196,6 +197,7 @@ static loff_t coreb_lseek(struct file *file, loff_t offset, int origin) static int coreb_open(struct inode *inode, struct file *file) { + lock_kernel(); spin_lock_irq(&coreb_lock); if (coreb_status & COREB_IS_OPEN) @@ -204,10 +206,12 @@ static int coreb_open(struct inode *inode, struct file *file) coreb_status |= COREB_IS_OPEN; spin_unlock_irq(&coreb_lock); + unlock_kernel(); return 0; out_busy: spin_unlock_irq(&coreb_lock); + unlock_kernel(); return -EBUSY; } -- 2.20.1