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-rw-r--r--drivers/infiniband/core/ucma.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/infiniband/core/ucma.c b/drivers/infiniband/core/ucma.c
index ad45469f7582..a700cdb13f3d 100644
--- a/drivers/infiniband/core/ucma.c
+++ b/drivers/infiniband/core/ucma.c
@@ -1354,10 +1354,10 @@ static void ucma_lock_files(struct ucma_file *file1, struct ucma_file *file2)
/* Acquire mutex's based on pointer comparison to prevent deadlock. */
if (file1 < file2) {
mutex_lock(&file1->mut);
- mutex_lock(&file2->mut);
+ mutex_lock_nested(&file2->mut, SINGLE_DEPTH_NESTING);
} else {
mutex_lock(&file2->mut);
- mutex_lock(&file1->mut);
+ mutex_lock_nested(&file1->mut, SINGLE_DEPTH_NESTING);
}
}