Commit 8f9f963e authored by Jarod Wilson's avatar Jarod Wilson Committed by Stefan Richter

firewire: replace subtraction with bitwise and

Replace an unnecessary subtraction with a bitwise AND when determining the
value of ext_tcode in fw_fill_transaction() to save a cpu cycle or two in a
somewhat critical path.
Signed-off-by: default avatarJarod Wilson <jwilson@redhat.com>
Signed-off-by: default avatarStefan Richter <stefanr@s5r6.in-berlin.de>
parent f8d2dc39
...@@ -153,7 +153,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel, ...@@ -153,7 +153,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
int ext_tcode; int ext_tcode;
if (tcode > 0x10) { if (tcode > 0x10) {
ext_tcode = tcode - 0x10; ext_tcode = tcode & ~0x10;
tcode = TCODE_LOCK_REQUEST; tcode = TCODE_LOCK_REQUEST;
} else } else
ext_tcode = 0; ext_tcode = 0;
......
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