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authorRadim Krčmář <[email protected]>2018-02-01 14:04:17 +0000
committerRadim Krčmář <[email protected]>2018-02-01 14:04:17 +0000
commit7bf14c28ee776be567855bd39ed8ff795ea19f55 (patch)
tree6113748c673e85fccc2c56c050697789c00c6bc2 /drivers/scsi/scsi_debugfs.c
parentkvm: x86: remove efer_reload entry in kvm_vcpu_stat (diff)
parentx86/kvm: Make it compile on 32bit and with HYPYERVISOR_GUEST=n (diff)
downloadkernel-7bf14c28ee776be567855bd39ed8ff795ea19f55.tar.gz
kernel-7bf14c28ee776be567855bd39ed8ff795ea19f55.zip
Merge branch 'x86/hyperv' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Topic branch for stable KVM clockource under Hyper-V. Thanks to Christoffer Dall for resolving the ARM conflict.
Diffstat (limited to 'drivers/scsi/scsi_debugfs.c')
-rw-r--r--drivers/scsi/scsi_debugfs.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c
index 01f08c03f2c1..c3765d29fd3f 100644
--- a/drivers/scsi/scsi_debugfs.c
+++ b/drivers/scsi/scsi_debugfs.c
@@ -8,9 +8,11 @@ void scsi_show_rq(struct seq_file *m, struct request *rq)
{
struct scsi_cmnd *cmd = container_of(scsi_req(rq), typeof(*cmd), req);
int msecs = jiffies_to_msecs(jiffies - cmd->jiffies_at_alloc);
- char buf[80];
+ const u8 *const cdb = READ_ONCE(cmd->cmnd);
+ char buf[80] = "(?)";
- __scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len);
+ if (cdb)
+ __scsi_format_command(buf, sizeof(buf), cdb, cmd->cmd_len);
seq_printf(m, ", .cmd=%s, .retries=%d, allocated %d.%03d s ago", buf,
cmd->retries, msecs / 1000, msecs % 1000);
}