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[SCSI] zfcp: fix likely/unlikely usage

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zfcp_fsf_protstatus_eval() takes always the 'wrong' branch.

Likely Profiling Results
 ---------------------------------------------------------
[+- ] Type | # True | # False | Function:Filename@Line
+unlikely  |   11042|        0  zfcp_fsf_protstatus_eval()

Acked-by: Swen Schillig <swen@vnet.ibm.com>
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Heiko Carstens 2007-02-21 09:28:00 +01:00 committed by James Bottomley
parent be521466fe
commit 862794fa3f
1 changed files with 6 additions and 4 deletions
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10
drivers/s390/scsi/zfcp_fsf.c
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@ -299,9 +299,10 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
}
/* log additional information provided by FSF (if any) */
if (unlikely(qtcb->header.log_length)) {
if (likely(qtcb->header.log_length)) {
/* do not trust them ;-) */
if (qtcb->header.log_start > sizeof(struct fsf_qtcb)) {
if (unlikely(qtcb->header.log_start >
sizeof(struct fsf_qtcb))) {
ZFCP_LOG_NORMAL
("bug: ULP (FSF logging) log data starts "
"beyond end of packet header. Ignored. "
@ -310,8 +311,9 @@ zfcp_fsf_protstatus_eval(struct zfcp_fsf_req *fsf_req)
sizeof(struct fsf_qtcb));
goto forget_log;
}
if ((size_t) (qtcb->header.log_start + qtcb->header.log_length)
> sizeof(struct fsf_qtcb)) {
if (unlikely((size_t) (qtcb->header.log_start +
qtcb->header.log_length) >
sizeof(struct fsf_qtcb))) {
ZFCP_LOG_NORMAL("bug: ULP (FSF logging) log data ends "
"beyond end of packet header. Ignored. "
"(start=%i, length=%i, size=%li)\n",