From: Nicholas Bellinger Date: Wed, 18 Sep 2013 19:33:42 +0000 (-0700) Subject: target: Fix xop->dbl assignment in target_xcopy_parse_segdesc_02 X-Git-Tag: v4.13~8620^2~10 X-Git-Url: https://git.proxmox.com/?a=commitdiff_plain;h=3e9e01de5ed3fb2810215e2a3b479e7585785ac0;p=mirror_ubuntu-bionic-kernel.git 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 Signed-off-by: Nicholas Bellinger --- diff --git a/drivers/target/target_core_xcopy.c b/drivers/target/target_core_xcopy.c index 4d22e7d2adca..3da4fd10b9f8 100644 --- 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);