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[PATCH] qemu-img: Explicit number replaced by a constant


From: Yi Li
Subject: [PATCH] qemu-img: Explicit number replaced by a constant
Date: Mon, 17 Aug 2020 19:01:13 +0800

Signed-off-by: Yi Li <yili@winhong.com>
---
 qemu-img.c | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/qemu-img.c b/qemu-img.c
index 5308773811..a0fbc2757c 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -1181,7 +1181,7 @@ static int64_t find_nonzero(const uint8_t *buf, int64_t n)
 }
 
 /*
- * Returns true iff the first sector pointed to by 'buf' contains at least
+ * Returns true if the first sector pointed to by 'buf' contains at least
  * a non-NUL byte.
  *
  * 'pnum' is set to the number of sectors (including and immediately following
@@ -1200,10 +1200,10 @@ static int is_allocated_sectors(const uint8_t *buf, int 
n, int *pnum,
         *pnum = 0;
         return 0;
     }
-    is_zero = buffer_is_zero(buf, 512);
+    is_zero = buffer_is_zero(buf, BDRV_SECTOR_SIZE);
     for(i = 1; i < n; i++) {
-        buf += 512;
-        if (is_zero != buffer_is_zero(buf, 512)) {
+        buf += BDRV_SECTOR_SIZE;
+        if (is_zero != buffer_is_zero(buf, BDRV_SECTOR_SIZE)) {
             break;
         }
     }
@@ -2489,8 +2489,8 @@ static int img_convert(int argc, char **argv)
             }
         }
 
-        qemu_opt_set_number(opts, BLOCK_OPT_SIZE, s.total_sectors * 512,
-                            &error_abort);
+        qemu_opt_set_number(opts, BLOCK_OPT_SIZE,
+                            s.total_sectors * BDRV_SECTOR_SIZE, &error_abort);
         ret = add_old_style_options(out_fmt, opts, out_baseimg, NULL);
         if (ret < 0) {
             goto out;
-- 
2.25.3






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