3.18-stable review patch. If anyone has any objections, please let me know.
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From: tangwenji tang.wenji@zte.com.cn
[ 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 d2843c173ee53cf4c12e7dfedc069a5bc76f0ac5 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 --- drivers/target/target_core_pr.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-)
--- a/drivers/target/target_core_pr.c +++ b/drivers/target/target_core_pr.c @@ -58,8 +58,10 @@ 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); }