On 1/7/19 2:50 AM, Patrice CHOTARD wrote:
Hi Gustavo
On 1/4/19 7:43 PM, Gustavo A. R. Silva wrote:
One of the more common cases of allocation size calculations is finding the
size of a structure that has a zero-sized array at the end, along with memory
for some number of elements for that array. For example:
[..]
Signed-off-by: Gustavo A. R. Silva <gust...@embeddedor.com>
---
drivers/dma/st_fdma.c | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/drivers/dma/st_fdma.c b/drivers/dma/st_fdma.c
index 07c20aa2e955..df6b73028ecb 100644
--- a/drivers/dma/st_fdma.c
+++ b/drivers/dma/st_fdma.c
@@ -243,8 +243,7 @@ static struct st_fdma_desc *st_fdma_alloc_desc(struct
st_fdma_chan *fchan,
struct st_fdma_desc *fdesc;
int i;
- fdesc = kzalloc(sizeof(*fdesc) +
- sizeof(struct st_fdma_sw_node) * sg_len, GFP_NOWAIT);
+ fdesc = kzalloc(struct_size(fdesc, node, sg_len), GFP_NOWAIT);
if (!fdesc)
return NULL;
Acked-by: Patrice Chotard <patrice.chot...@st.com>
Thanks, Patrice.
--
Gustavo
