One-element and zero-length arrays are deprecated and should be replaced with flexible-array members[1]. Replace zero-length array with flexible-array member and make use of the struct_size() helper in kmalloc(). [1] https://www.kernel.org/doc/html/v5.10/process/deprecated.html#zero-length-and-one-element-arrays Link: https://github.com/KSPP/linux/issues/78 Link: https://github.com/KSPP/linux/issues/160 Signed-off-by: Gustavo A. R. Silva <gustavoars@xxxxxxxxxx> --- drivers/staging/r8188eu/include/osdep_service.h | 2 +- drivers/staging/r8188eu/os_dep/osdep_service.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-) diff --git a/drivers/staging/r8188eu/include/osdep_service.h b/drivers/staging/r8188eu/include/osdep_service.h index da85a9681c4a..4622ce400e41 100644 --- a/drivers/staging/r8188eu/include/osdep_service.h +++ b/drivers/staging/r8188eu/include/osdep_service.h @@ -289,7 +289,7 @@ struct rtw_cbuf { u32 write; u32 read; u32 size; - void *bufs[0]; + void *bufs[]; }; bool rtw_cbuf_empty(struct rtw_cbuf *cbuf); diff --git a/drivers/staging/r8188eu/os_dep/osdep_service.c b/drivers/staging/r8188eu/os_dep/osdep_service.c index 002c75f16725..d7d03c1417fd 100644 --- a/drivers/staging/r8188eu/os_dep/osdep_service.c +++ b/drivers/staging/r8188eu/os_dep/osdep_service.c @@ -262,7 +262,7 @@ struct rtw_cbuf *rtw_cbuf_alloc(u32 size) { struct rtw_cbuf *cbuf; - cbuf = kmalloc(sizeof(*cbuf) + sizeof(void *) * size, GFP_KERNEL); + cbuf = kmalloc(struct_size(cbuf, bufs, size), GFP_KERNEL); if (cbuf) { cbuf->write = 0; -- 2.27.0
