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target:fix condition return in core_pr_dump_initiator_port()

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[ Upstream commit 24528f089d0a444070aa4f715ace537e8d6bf168 ]

When is pr_reg->isid_present_at_reg is false,this function should return.

This fixes a regression originally introduced by:

  commit d2843c173e
  Author: Andy Grover <agrover@redhat.com>
  Date:   Thu May 16 10:40:55 2013 -0700

      target: Alter core_pr_dump_initiator_port for ease of use

Signed-off-by: tangwenji <tang.wenji@zte.com.cn>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>
Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
tangwenji 2017-08-24 19:59:37 +08:00 • committed by Greg Kroah-Hartman
parent e14086b2c9
commit 646191449e
1 changed files with 3 additions and 1 deletions
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4
drivers/target/target_core_pr.c
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@ -56,8 +56,10 @@ void core_pr_dump_initiator_port(
char *buf,
u32 size)
{
if (!pr_reg->isid_present_at_reg)
if (!pr_reg->isid_present_at_reg) {
buf[0] = '\0';
return;
}
snprintf(buf, size, ",i,0x%s", pr_reg->pr_reg_isid);
}