nvdimm/namespace: Fix comment typo

The double `existing' is duplicated in the comment, remove one.

Signed-off-by: Jason Wang <wangborong@cdjrlc.com>
Link: https://lore.kernel.org/r/20220802201918.8408-1-wangborong@cdjrlc.com
Signed-off-by: Dan Williams <dan.j.williams@intel.com>

diff --git a/drivers/nvdimm/namespace_devs.c b/drivers/nvdimm/namespace_devs.c
index bf4f5c09d9b1b3685eb359b64733335d729061fc..847816992b9e69288a2fa3d6d9db87e2a97d4539 100644 (file)
--- a/drivers/nvdimm/namespace_devs.c
+++ b/drivers/nvdimm/namespace_devs.c
@@ -388,7 +388,7 @@ static resource_size_t init_dpa_allocation(struct nd_label_id *label_id,
  *
  * BLK-space is valid as long as it does not precede a PMEM
  * allocation in a given region. PMEM-space must be contiguous
- * and adjacent to an existing existing allocation (if one
+ * and adjacent to an existing allocation (if one
  * exists).  If reserving PMEM any space is valid.
  */
 static void space_valid(struct nd_region *nd_region, struct nvdimm_drvdata *ndd,