git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@1982 35acf78f-673a-0410-8e92-d51de3d6d3f4

1 files changed, 4 insertions, 4 deletions

diff --git a/os/kernel/src/chsem.c b/os/kernel/src/chsem.c
index 2a86a14f6..2959b4d63 100644
--- a/os/kernel/src/chsem.c
+++ b/os/kernel/src/chsem.c
@@ -117,7 +117,7 @@ void chSemResetI(Semaphore *sp, cnt_t n) {
 

   cnt = sp->s_cnt;

   sp->s_cnt = n;

-  while (cnt++ < 0)

+  while (++cnt <= 0)

     chSchReadyI(lifo_remove(&sp->s_queue))->p_u.rdymsg = RDY_RESET;

 }

 

@@ -220,7 +220,7 @@ void chSemSignal(Semaphore *sp) {
   chDbgCheck(sp != NULL, "chSemSignal");

 

   chSysLock();

-  if (sp->s_cnt++ < 0)

+  if (++sp->s_cnt <= 0)

     chSchWakeupS(fifo_remove(&sp->s_queue), RDY_OK);

   chSysUnlock();

 }

@@ -235,7 +235,7 @@ void chSemSignalI(Semaphore *sp) {
 

   chDbgCheck(sp != NULL, "chSemSignalI");

 

-  if (sp->s_cnt++ < 0) {

+  if (++sp->s_cnt <= 0) {

     /* note, it is done this way in order to allow a tail call on

              chSchReadyI().*/

     Thread *tp = fifo_remove(&sp->s_queue);

@@ -261,7 +261,7 @@ msg_t chSemSignalWait(Semaphore *sps, Semaphore *spw) {
   chDbgCheck((sps != NULL) && (spw != NULL), "chSemSignalWait");

 

   chSysLock();

-  if (sps->s_cnt++ < 0)

+  if (++sps->s_cnt <= 0)

     chSchReadyI(fifo_remove(&sps->s_queue))->p_u.rdymsg = RDY_OK;

   if (--spw->s_cnt < 0) {

     Thread *ctp = currp;