[PATCH][next] staging: r8188eu: Replace zero-length array with flexible-array member
From: "Gustavo A. R. Silva" <gustavoars@kernel.org>
Date: 2021-09-29 19:32:57
Also in:
linux-hardening, lkml
Subsystem:
staging subsystem, the rest · Maintainers:
Greg Kroah-Hartman, Linus Torvalds
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@kernel.org> --- 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