mmap locking API: use coccinelle to convert mmap_sem rwsem call sites

[linux-2.6-microblaze.git] / arch / csky / mm / fault.c

diff --git a/arch/csky/mm/fault.c b/arch/csky/mm/fault.c
index 4055d43..0b9cbf2 100644 (file)
--- a/arch/csky/mm/fault.c
+++ b/arch/csky/mm/fault.c
@@ -120,7 +120,7 @@ asmlinkage void do_page_fault(struct pt_regs *regs, unsigned long write,
        if (in_atomic() || !mm)
                goto bad_area_nosemaphore;
 
-       down_read(&mm->mmap_sem);
+       mmap_read_lock(mm);
        vma = find_vma(mm, address);
        if (!vma)
                goto bad_area;
@@ -170,7 +170,7 @@ good_area:
                              address);
        }
 
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
        return;
 
        /*
@@ -178,7 +178,7 @@ good_area:
         * Fix it, but check if it's kernel or user first..
         */
 bad_area:
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
 
 bad_area_nosemaphore:
        /* User mode accesses just cause a SIGSEGV */
@@ -217,7 +217,7 @@ out_of_memory:
 do_sigbus:
        tsk->thread.trap_no = (regs->sr >> 16) & 0xff;
 
-       up_read(&mm->mmap_sem);
+       mmap_read_unlock(mm);
 
        /* Kernel mode? Handle exceptions or die */
        if (!user_mode(regs))