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staging: r8188eu: Replace zero-length array with flexible-array member

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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>
Link: https://lore.kernel.org/r/20210929193658.GA339070@embeddedor
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gustavo A. R. Silva 2021-09-29 14:36:58 -05:00 committed by Greg Kroah-Hartman
parent 403aa62da3
commit c08976563d
2 changed files with 2 additions and 2 deletions
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2
drivers/staging/r8188eu/include/osdep_service.h
View File

@ -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);

2
drivers/staging/r8188eu/os_dep/osdep_service.c
View File

@ -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;