splice: don't use void* for pointer arithmetic (gcc)

I think gcc extension should be avoided when it can be done by
just changing a pointer type.

Signed-off-by: Tomohiro Kusumi <tkusumi@tuxera.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

diff --git a/engines/splice.c b/engines/splice.c
index eba093e810ea72934773f08292345799eb5e0e3b..d5d8ab0ebafdac9cdc1c6ebd3617109f97adc13a 100644 (file)
--- a/engines/splice.c
+++ b/engines/splice.c
@@ -32,7 +32,7 @@ static int fio_splice_read_old(struct thread_data *td, struct io_u *io_u)
        struct fio_file *f = io_u->file;
        int ret, ret2, buflen;
        off_t offset;
-       void *p;
+       char *p;
 
        offset = io_u->offset;
        buflen = io_u->xfer_buflen;
@@ -77,7 +77,8 @@ static int fio_splice_read(struct thread_data *td, struct io_u *io_u)
        struct iovec iov;
        int ret , buflen, mmap_len;
        off_t offset;
-       void *p, *map;
+       void *map;
+       char *p;
 
        ret = 0;
        offset = io_u->offset;