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authorPaolo Bonzini <pbonzini@redhat.com>2012-07-02 17:07:40 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2012-07-26 17:44:08 +0200
commit8f6e699ddbcad32480fa64796ccf44cbaf5b4b91 (patch)
tree687223392c78ddda5ea9a3c2db9192213f60d7de /hw
parentd2a9998f8864e6f816262d9416d8b538186a8cad (diff)
downloadhqemu-8f6e699ddbcad32480fa64796ccf44cbaf5b4b91.zip
hqemu-8f6e699ddbcad32480fa64796ccf44cbaf5b4b91.tar.gz
lsi: avoid redundant tests of s->current != NULL
Simplify the code by checking against req->hba_private directly, and asserting that it is non-NULL before a command is completed or canceled. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'hw')
-rw-r--r--hw/lsi53c895a.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/hw/lsi53c895a.c b/hw/lsi53c895a.c
index 078ab6d..5f6cb17 100644
--- a/hw/lsi53c895a.c
+++ b/hw/lsi53c895a.c
@@ -706,7 +706,7 @@ static void lsi_command_complete(SCSIRequest *req, uint32_t status, size_t resid
lsi_set_phase(s, PHASE_ST);
}
- if (s->current && req == s->current->req) {
+ if (req->hba_private == s->current) {
req->hba_private = NULL;
lsi_request_free(s, s->current);
scsi_req_unref(req);
@@ -720,7 +720,8 @@ static void lsi_transfer_data(SCSIRequest *req, uint32_t len)
LSIState *s = DO_UPCAST(LSIState, dev.qdev, req->bus->qbus.parent);
int out;
- if (s->waiting == 1 || !s->current || req->hba_private != s->current ||
+ assert(req->hba_private);
+ if (s->waiting == 1 || req->hba_private != s->current ||
(lsi_irq_on_rsl(s) && !(s->scntl1 & LSI_SCNTL1_CON))) {
if (lsi_queue_req(s, req, len)) {
return;
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