nvmem: core: Fix memory leak in nvmem_cell_write

A tmp buffer is allocated if cell->bit_offset || cell->nbits.
So the tmp buffer needs to be freed at the same condition to avoid leak.

Signed-off-by: Axel Lin <axel.lin@ingics.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/nvmem/core.c b/drivers/nvmem/core.c
index 676607cb01bb..6fd4e5a5ef4a 100644
--- a/drivers/nvmem/core.c
+++ b/drivers/nvmem/core.c
@@ -938,7 +938,7 @@ int nvmem_cell_write(struct nvmem_cell *cell, void *buf, size_t len)
         rc = regmap_raw_write(nvmem->regmap, cell->offset, buf, cell->bytes);
 
         /* free the tmp buffer */
-        if (cell->bit_offset)
+        if (cell->bit_offset || cell->nbits)
                 kfree(buf);
 
         if (IS_ERR_VALUE(rc))