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mmap locking API: use coccinelle to convert mmap_sem rwsem call sites
[linux-2.6-microblaze.git]
/
drivers
/
tee
/
optee
/
call.c
diff --git
a/drivers/tee/optee/call.c
b/drivers/tee/optee/call.c
index
dbed3f4
..
20b6fd7
100644
(file)
--- a/
drivers/tee/optee/call.c
+++ b/
drivers/tee/optee/call.c
@@
-565,10
+565,10
@@
static int check_mem_type(unsigned long start, size_t num_pages)
if (virt_addr_valid(start))
return 0;
-
down_read(&mm->mmap_se
m);
+
mmap_read_lock(m
m);
rc = __check_mem_type(find_vma(mm, start),
start + num_pages * PAGE_SIZE);
-
up_read(&mm->mmap_se
m);
+
mmap_read_unlock(m
m);
return rc;
}