usb: gadget: f_fs: check for allocation failure
Return -ENOMEM if kmalloc() fails.
Fixes: 9353afbbfa7b ('usb: gadget: f_fs: buffer data from ‘oversized’ OUT requests')
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Acked-by: Michal Nazarewicz <mina86@mina86.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
diff --git a/drivers/usb/gadget/function/f_fs.c b/drivers/usb/gadget/function/f_fs.c
index a91fcb0..5c8429f 100644
--- a/drivers/usb/gadget/function/f_fs.c
+++ b/drivers/usb/gadget/function/f_fs.c
@@ -775,6 +775,8 @@
data_len -= ret;
buf = kmalloc(sizeof(*buf) + data_len, GFP_KERNEL);
+ if (!buf)
+ return -ENOMEM;
buf->length = data_len;
buf->data = buf->storage;
memcpy(buf->storage, data + ret, data_len);