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| author | Jiri Slaby <jirislaby@gmail.com> | 2008-04-02 13:04:48 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-04-02 15:28:19 -0700 |
| commit | 212e7bb6cda5dd3c4ad97a7aedef705028ced4ad (patch) | |
| tree | f2257e37b2bd8e10c25be610c1648f627efaf525 /drivers/char/rio | |
| parent | 3d0ae36ea973b42e1c636210433aebef4426c5bf (diff) | |
| download | op-kernel-dev-212e7bb6cda5dd3c4ad97a7aedef705028ced4ad.zip op-kernel-dev-212e7bb6cda5dd3c4ad97a7aedef705028ced4ad.tar.gz | |
Char: rio, fix sparse warnings
Add some locks and unlocks to some code paths.
Signed-off-by: Jiri Slaby <jirislaby@gmail.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char/rio')
| -rw-r--r-- | drivers/char/rio/riotable.c | 4 | ||||
| -rw-r--r-- | drivers/char/rio/riotty.c | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/char/rio/riotable.c b/drivers/char/rio/riotable.c index 991119c..9b52892 100644 --- a/drivers/char/rio/riotable.c +++ b/drivers/char/rio/riotable.c @@ -425,8 +425,10 @@ int RIOApel(struct rio_info *p) MapP = &p->RIOConnectTable[Next++]; MapP->HostUniqueNum = HostP->UniqueNum; - if ((HostP->Flags & RUN_STATE) != RC_RUNNING) + if ((HostP->Flags & RUN_STATE) != RC_RUNNING) { + rio_spin_unlock_irqrestore(&HostP->HostLock, flags); continue; + } MapP->RtaUniqueNum = 0; MapP->ID = 0; MapP->Flags = SLOT_IN_USE; diff --git a/drivers/char/rio/riotty.c b/drivers/char/rio/riotty.c index a4f0b1e..cfa5436 100644 --- a/drivers/char/rio/riotty.c +++ b/drivers/char/rio/riotty.c @@ -319,6 +319,7 @@ int riotopen(struct tty_struct *tty, struct file *filp) PortP->State |= RIO_WOPEN; rio_spin_unlock_irqrestore(&PortP->portSem, flags); if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { + rio_spin_lock_irqsave(&PortP->portSem, flags); /* ** ACTION: verify that this is a good thing ** to do here. -- ??? @@ -334,6 +335,7 @@ int riotopen(struct tty_struct *tty, struct file *filp) func_exit(); return -EINTR; } + rio_spin_lock_irqsave(&PortP->portSem, flags); } PortP->State &= ~RIO_WOPEN; } @@ -493,6 +495,7 @@ int riotclose(void *ptr) if (RIOShortCommand(p, PortP, CLOSE, 1, 0) == RIO_FAIL) { RIOPreemptiveCmd(p, PortP, FCLOSE); + rio_spin_lock_irqsave(&PortP->portSem, flags); goto close_end; } @@ -508,6 +511,7 @@ int riotclose(void *ptr) if (p->RIOHalted) { RIOClearUp(PortP); + rio_spin_lock_irqsave(&PortP->portSem, flags); goto close_end; } if (RIODelay(PortP, HUNDRED_MS) == RIO_FAIL) { |
