qemu-img: remove unused variable

Variable block_count used in img_dd function is only incremented but never read. This causes 'Unused but set variable' warning on Clang 15.0.1 compiler. Removing the variable to prevent the warning. Signed-off-by: Miroslav Rezanina <[email protected]> Reviewed-by: Thomas Huth <[email protected]> Message-Id: <e86d5b57f9d13bde995c616a533b876f1fb8a527.1668009030.git.mrezanin@redhat.com> Signed-off-by: Thomas Huth <[email protected]>
antangelo · Nov 11, 2022 · 0f48c47 · 0f48c47
1 parent 6083dca
commit 0f48c47
Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/qemu-img.c b/qemu-img.c
@@ -4922,7 +4922,7 @@ static int img_dd(int argc, char **argv)
     const char *out_fmt = "raw";
     const char *fmt = NULL;
     int64_t size = 0;
-    int64_t block_count = 0, out_pos, in_pos;
+    int64_t out_pos, in_pos;
     bool force_share = false;
     struct DdInfo dd = {
         .flags = 0,
@@ -5122,7 +5122,7 @@ static int img_dd(int argc, char **argv)
 
     in.buf = g_new(uint8_t, in.bsz);
 
-    for (out_pos = 0; in_pos < size; block_count++) {
+    for (out_pos = 0; in_pos < size; ) {
         int bytes = (in_pos + in.bsz > size) ? size - in_pos : in.bsz;
 
         ret = blk_pread(blk1, in_pos, bytes, in.buf, 0);