target: Fix xop->dbl assignment in target_xcopy_parse_segdesc_02

This patch fixes up an incorrect assignment for xop->dbl within
target_xcopy_parse_segdesc_02() code, as reported by Coverity here:

http://marc.info/?l=linux-kernel&m=137936416618490&w=2

Reported-by: Dave Jones <davej@redhat.com>
Signed-off-by: Nicholas Bellinger <nab@linux-iscsi.org>

diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c
index 4d22e7d..3da4fd1 100644 (file)
--- a/drivers/target/target_core_xcopy.c
+++ b/drivers/target/target_core_xcopy.c
@@ -298,8 +298,8 @@ static int target_xcopy_parse_segdesc_02(struct se_cmd *se_cmd, struct xcopy_op
                (unsigned long long)xop->dst_lba);
 
        if (dc != 0) {
-               xop->dbl = (desc[29] << 16) & 0xff;
-               xop->dbl |= (desc[30] << 8) & 0xff;
+               xop->dbl = (desc[29] & 0xff) << 16;
+               xop->dbl |= (desc[30] & 0xff) << 8;
                xop->dbl |= desc[31] & 0xff;
 
                pr_debug("XCOPY seg desc 0x02: DC=1 w/ dbl: %u\n", xop->dbl);