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[qemu-xen stable-4.16] qemu-img: remove unused variable



commit 1b31565af3932ffe4a6e12012a406ae23aa381a1
Author:     Miroslav Rezanina <mrezanin@xxxxxxxxxx>
AuthorDate: Wed Nov 9 10:57:13 2022 -0500
Commit:     Anthony PERARD <anthony.perard@xxxxxxxxxx>
CommitDate: Mon Jul 17 12:05:26 2023 +0100

    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 <mrezanin@xxxxxxxxxx>
    Reviewed-by: Thomas Huth <thuth@xxxxxxxxxx>
    Message-Id: 
<e86d5b57f9d13bde995c616a533b876f1fb8a527.1668009030.git.mrezanin@xxxxxxxxxx>
    Signed-off-by: Thomas Huth <thuth@xxxxxxxxxx>
    (cherry picked from commit 0f48c47c679bc29fceb3a67283ee3b78175524bf)
---
 qemu-img.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index 908fd0cce5..314ca0534d 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -4886,7 +4886,7 @@ 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,
@@ -5086,7 +5086,7 @@ 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 in_ret, out_ret;
 
         if (in_pos + in.bsz > size) {
--
generated by git-patchbot for /home/xen/git/qemu-xen.git#stable-4.16



 


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