[v2,05/13] scsi/scsi-disk: Remove redundant statement in scsi_disk_emulate_command()
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Message ID 20200226084647.20636-6-kuhn.chenqun@huawei.com
State New
Headers show
Series
  • redundant code: Fix warnings reported by Clang static code analyzer
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Commit Message

Chenqun (kuhn) Feb. 26, 2020, 8:46 a.m. UTC
From: Chen Qun <kuhn.chenqun@huawei.com>

Clang static code analyzer show warning:
scsi/scsi-disk.c:1918:5: warning: Value stored to 'buflen' is never read
    buflen = req->cmd.xfer;
    ^        ~~~~~~~~~~~~~

Reported-by: Euler Robot <euler.robot@huawei.com>
Signed-off-by: Chen Qun <kuhn.chenqun@huawei.com>
---
Cc: Paolo Bonzini <pbonzini@redhat.com>
Cc: Fam Zheng <fam@euphon.net>
---
 hw/scsi/scsi-disk.c | 1 -
 1 file changed, 1 deletion(-)

Patch
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diff --git a/hw/scsi/scsi-disk.c b/hw/scsi/scsi-disk.c
index 10d0794d60..1c0cb63a6f 100644
--- a/hw/scsi/scsi-disk.c
+++ b/hw/scsi/scsi-disk.c
@@ -1915,7 +1915,6 @@  static int32_t scsi_disk_emulate_command(SCSIRequest *req, uint8_t *buf)
         r->iov.iov_base = blk_blockalign(s->qdev.conf.blk, r->buflen);
     }
 
-    buflen = req->cmd.xfer;
     outbuf = r->iov.iov_base;
     memset(outbuf, 0, r->buflen);
     switch (req->cmd.buf[0]) {