Use the POSIX type off_t [1] instead of the GNU-specific 64-bit offset type off64_t. Ensure it is 64 bit wide by compiling with _FILE_OFFSET_BITS set to 64.
Link: https://pubs.opengroup.org/onlinepubs/9799919799/basedefs/sys_types.h.html [1] Signed-off-by: Chris Gellermann <[email protected]> --- tools/testing/selftests/drivers/dma-buf/Makefile | 1 + tools/testing/selftests/drivers/dma-buf/udmabuf.c | 14 +++++++------- 2 files changed, 8 insertions(+), 7 deletions(-) diff --git a/tools/testing/selftests/drivers/dma-buf/Makefile b/tools/testing/selftests/drivers/dma-buf/Makefile index 441407bb0e80..1d65676f969e 100644 --- a/tools/testing/selftests/drivers/dma-buf/Makefile +++ b/tools/testing/selftests/drivers/dma-buf/Makefile @@ -1,4 +1,5 @@ # SPDX-License-Identifier: GPL-2.0-only +CFLAGS += -D_FILE_OFFSET_BITS=64 CFLAGS += $(KHDR_INCLUDES) TEST_GEN_PROGS := udmabuf diff --git a/tools/testing/selftests/drivers/dma-buf/udmabuf.c b/tools/testing/selftests/drivers/dma-buf/udmabuf.c index d78aec662586..2def04ed3451 100644 --- a/tools/testing/selftests/drivers/dma-buf/udmabuf.c +++ b/tools/testing/selftests/drivers/dma-buf/udmabuf.c @@ -25,7 +25,7 @@ static unsigned int page_size; -static int create_memfd_with_seals(off64_t size, bool hpage) +static int create_memfd_with_seals(off_t size, bool hpage) { int memfd, ret; unsigned int flags = MFD_ALLOW_SEALING; @@ -54,7 +54,7 @@ static int create_memfd_with_seals(off64_t size, bool hpage) return memfd; } -static int create_udmabuf_list(int devfd, int memfd, off64_t memfd_size) +static int create_udmabuf_list(int devfd, int memfd, off_t memfd_size) { struct udmabuf_create_list *list; int ubuf_fd, i; @@ -84,7 +84,7 @@ static int create_udmabuf_list(int devfd, int memfd, off64_t memfd_size) return ubuf_fd; } -static void write_to_memfd(void *addr, off64_t size, char chr) +static void write_to_memfd(void *addr, off_t size, char chr) { int i; @@ -93,7 +93,7 @@ static void write_to_memfd(void *addr, off64_t size, char chr) } } -static void *mmap_fd(int fd, off64_t size) +static void *mmap_fd(int fd, off_t size) { void *addr; @@ -106,9 +106,9 @@ static void *mmap_fd(int fd, off64_t size) return addr; } -static int compare_chunks(void *addr1, void *addr2, off64_t memfd_size) +static int compare_chunks(void *addr1, void *addr2, off_t memfd_size) { - off64_t off; + off_t off; int i = 0, j, k = 0, ret = 0; char char1, char2; @@ -134,7 +134,7 @@ int main(int argc, char *argv[]) { struct udmabuf_create create; int devfd, memfd, buf, ret; - off64_t size; + off_t size; void *addr1, *addr2; ksft_print_header(); -- 2.47.3

