4.9-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Joe Perches <[email protected]>


[ Upstream commit 23456565acf6d452e0368f7380aecd584c019c67 ]

Recent printk changes for KERN_CONT cause this logging to be defectively
emitted on multiple lines.  Fix it.

Also reduces object size a trivial amount.

$ size drivers/scsi/qla2xxx/qla_dbg.o*
   text    data     bss     dec     hex filename
  39125       0       0   39125    98d5 drivers/scsi/qla2xxx/qla_dbg.o.new
  39164       0       0   39164    98fc drivers/scsi/qla2xxx/qla_dbg.o.old

Signed-off-by: Joe Perches <[email protected]>
Acked-by: Himanshu Madhani <[email protected]>
Signed-off-by: Martin K. Petersen <[email protected]>
Signed-off-by: Sasha Levin <[email protected]>
Signed-off-by: Greg Kroah-Hartman <[email protected]>
---
 drivers/scsi/qla2xxx/qla_dbg.c |   12 ++++--------
 1 file changed, 4 insertions(+), 8 deletions(-)

--- a/drivers/scsi/qla2xxx/qla_dbg.c
+++ b/drivers/scsi/qla2xxx/qla_dbg.c
@@ -2707,13 +2707,9 @@ ql_dump_buffer(uint32_t level, scsi_qla_
            "%-+5d  0  1  2  3  4  5  6  7  8  9  A  B  C  D  E  F\n", size);
        ql_dbg(level, vha, id,
            "----- -----------------------------------------------\n");
-       for (cnt = 0; cnt < size; cnt++, buf++) {
-               if (cnt % 16 == 0)
-                       ql_dbg(level, vha, id, "%04x:", cnt & ~0xFU);
-               printk(" %02x", *buf);
-               if (cnt % 16 == 15)
-                       printk("\n");
+       for (cnt = 0; cnt < size; cnt += 16) {
+               ql_dbg(level, vha, id, "%04x: ", cnt);
+               print_hex_dump(KERN_CONT, "", DUMP_PREFIX_NONE, 16, 1,
+                              buf + cnt, min(16U, size - cnt), false);
        }
-       if (cnt % 16 != 0)
-               printk("\n");
 }


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