xfsprogs: remove duplicate vector memalign from xfs_io

The vector feature of xfs_io uses its own memory buffer in the
iov structure and does not use the buffer entry. Remove the
duplicate memalign.

v2: removed global buffer in __dump_buffer() and use passed buf
     pointer per Ben's detection.

Signed-off-by: Mark Tinguely <tinguely@sgi.com>
Reviewed-by: Ben Myers <bpm@sgi.com>
Reviewed-by: Dave Chinner <dchinner@redhat.com>

diff --git a/io/pread.c b/io/pread.c
index f6e4ca20afec9299ad17461c9fcd133d33a23be1..0b9454badb6449ea15a0bae5efe814ca2e85d442 100644 (file)
--- a/io/pread.c
+++ b/io/pread.c
@@ -76,8 +76,7 @@ alloc_iovec(
        buffersize = 0;
        for (i = 0; i < vectors; i++) {
                iov[i].iov_base = memalign(pagesize, bsize);
-               buffer = memalign(pagesize, bsize);
-               if (!buffer) {
+               if (!iov[i].iov_base) {
                        perror("memalign");
                        goto unwind;
                }
@@ -130,7 +129,7 @@ __dump_buffer(
        int             i, j;
        char            *p;
 
-       for (i = 0, p = (char *)buffer; i < len; i += 16) {
+       for (i = 0, p = (char *)buf; i < len; i += 16) {
                char    *s = p;
 
                printf("%08llx:  ", (unsigned long long)offset + i);