Remove unused variable(s).

Found by:       FlexeLint

10 files changed, 4 insertions, 45 deletions

diff --git a/sys/dev/syscons/fade/fade_saver.c b/sys/dev/syscons/fade/fade_saver.c
index 052fa92..d7793b6 100644
--- a/sys/dev/syscons/fade/fade_saver.c
+++ b/sys/dev/syscons/fade/fade_saver.c
@@ -40,7 +40,6 @@
 #include <dev/syscons/syscons.h>
 
 static u_char palette[256*3];
-static int blanked;
 
 static int
 fade_saver(video_adapter_t *adp, int blank)
@@ -50,7 +49,6 @@ fade_saver(video_adapter_t *adp, int blank)
 	int i;
 
 	if (blank) {
-		blanked = TRUE;
 		if (ISPALAVAIL(adp->va_flags)) {
 			if (count <= 0)
 				save_palette(adp, palette);
@@ -77,7 +75,6 @@ fade_saver(video_adapter_t *adp, int blank)
 	    		(*vidsw[adp->va_index]->blank_display)(adp,
 							       V_DISPLAY_ON);
 		}
-		blanked = FALSE;
 	}
 	return 0;
 }
@@ -88,7 +85,6 @@ fade_init(video_adapter_t *adp)
 	if (!ISPALAVAIL(adp->va_flags)
 	    && (*vidsw[adp->va_index]->blank_display)(adp, V_DISPLAY_ON) != 0)
 		return ENODEV;
-	blanked = FALSE;
 	return 0;
 }
 
diff --git a/sys/fs/msdosfs/msdosfs_vnops.c b/sys/fs/msdosfs/msdosfs_vnops.c
index 910ce7b..1dba6bb 100644
--- a/sys/fs/msdosfs/msdosfs_vnops.c
+++ b/sys/fs/msdosfs/msdosfs_vnops.c
@@ -923,17 +923,11 @@ msdosfs_rename(ap)
 	u_long cn;
 	daddr_t bn;
 	struct denode *fddep;	/* from file's parent directory	 */
-	struct denode *fdep;	/* from file or directory	 */
-	struct denode *tddep;	/* to file's parent directory	 */
-	struct denode *tdep;	/* to file or directory		 */
 	struct msdosfsmount *pmp;
 	struct direntry *dotdotp;
 	struct buf *bp;
 
 	fddep = VTODE(ap->a_fdvp);
-	fdep = VTODE(ap->a_fvp);
-	tddep = VTODE(ap->a_tdvp);
-	tdep = tvp ? VTODE(tvp) : NULL;
 	pmp = fddep->de_pmp;
 
 	pmp = VFSTOMSDOSFS(fdvp->v_mount);
diff --git a/sys/i386/isa/gpib.c b/sys/i386/isa/gpib.c
index 288775e..d0eb658 100644
--- a/sys/i386/isa/gpib.c
+++ b/sys/i386/isa/gpib.c
@@ -768,14 +768,11 @@ sendrawgpibfifo(unsigned char device, char *data, int count)
 {
 	int status;
 	int counter;
-	int fifopos;
 	int sleeptime;
 
 	sleeptime = SLEEP_MIN;
 	counter = 0;
 
-	fifopos = 0;
-
 	status = EWOULDBLOCK;
 	do {
 		/* Wait for fifo to become not full if it is full */
@@ -810,7 +807,6 @@ sendgpibfifo(unsigned char device, char *data, int count)
 {
 	int status;
 	int counter;
-	int fifopos;
 	int sleeptime;
 
 	outb(IMR2, 0x30);	/* we have to enable DMA (0x30) for turbo488 to work */
@@ -835,13 +831,10 @@ sendgpibfifo(unsigned char device, char *data, int count)
 	} while (!(inb(ISR2) & 8) && status == EWOULDBLOCK);
 
 	outb(AUXMR, gts);	/* Set to Standby (Controller) */
-	fifopos = 0;
 
 	sleeptime = SLEEP_MIN;
 	counter = 0;
 
-	fifopos = 0;
-
 	outb(CMDR, 0x20);
 	outb(CFG, 0x47);	/* 16 bit, write, fifo B first, TMOE TIM */
 	outb(CMDR, 0x10);	/* RESET fifos */
@@ -956,7 +949,6 @@ readgpibfifo(unsigned char device, char *data, int count)
 	int status2 = 0;
 	int status1;
 	int counter;
-	int fifopos;
 	unsigned inword;
 
 	outb(IMR2, 0x30);	/* we have to enable DMA (0x30) for turbo488 to work */
@@ -991,7 +983,6 @@ readgpibfifo(unsigned char device, char *data, int count)
 	outb(AUXMR, gts);	/* Set to Standby (Controller) */
 
 	counter = 0;
-	fifopos = 0;
 
 	outb(CMDR, 0x04);	/* Tell TURBO488 to GO */
 
diff --git a/sys/isa/vga_isa.c b/sys/isa/vga_isa.c
index 1b7b2ec..fa4459b 100644
--- a/sys/isa/vga_isa.c
+++ b/sys/isa/vga_isa.c
@@ -93,7 +93,6 @@ static int
 isavga_probe(device_t dev)
 {
 	video_adapter_t adp;
-	device_t bus;
 	int error;
 
 	/* No pnp support */
@@ -103,7 +102,6 @@ isavga_probe(device_t dev)
 	device_set_desc(dev, "Generic ISA VGA");
 	error = vga_probe_unit(device_get_unit(dev), &adp, device_get_flags(dev));
 	if (error == 0) {
-		bus = device_get_parent(dev);
 		bus_set_resource(dev, SYS_RES_IOPORT, 0,
 				 adp.va_io_base, adp.va_io_size);
 		bus_set_resource(dev, SYS_RES_MEMORY, 0,
@@ -122,8 +120,6 @@ static int
 isavga_attach(device_t dev)
 {
 	vga_softc_t *sc;
-	struct resource *port;
-	struct resource *mem;
 	int unit;
 	int rid;
 	int error;
@@ -132,10 +128,10 @@ isavga_attach(device_t dev)
 	sc = device_get_softc(dev);
 
 	rid = 0;
-	port = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
+	bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
 				  0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
 	rid = 0;
-	mem = bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
+	bus_alloc_resource(dev, SYS_RES_MEMORY, &rid,
 				 0, ~0, 0, RF_ACTIVE | RF_SHAREABLE);
 
 	error = vga_attach_unit(unit, sc, device_get_flags(dev));
diff --git a/sys/kern/kern_intr.c b/sys/kern/kern_intr.c
index 3405687..6fd17f6 100644
--- a/sys/kern/kern_intr.c
+++ b/sys/kern/kern_intr.c
@@ -215,12 +215,10 @@ ithread_destroy(struct ithd *ithread)
 {
 
 	struct thread *td;
-	struct proc *p;
 	if (ithread == NULL)
 		return (EINVAL);
 
 	td = ithread->it_td;
-	p = td->td_proc;
 	mtx_lock(&ithread->it_lock);
 	if (!TAILQ_EMPTY(&ithread->it_handlers)) {
 		mtx_unlock(&ithread->it_lock);
diff --git a/sys/kern/kern_kse.c b/sys/kern/kern_kse.c
index e02b7f2..6d61cd6 100644
--- a/sys/kern/kern_kse.c
+++ b/sys/kern/kern_kse.c
@@ -1907,11 +1907,9 @@ thread_suspend_check(int return_instead)
 {
 	struct thread *td;
 	struct proc *p;
-	struct ksegrp *kg;
 
 	td = curthread;
 	p = td->td_proc;
-	kg = td->td_ksegrp;
 	PROC_LOCK_ASSERT(p, MA_OWNED);
 	while (P_SHOULDSTOP(p)) {
 		if (P_SHOULDSTOP(p) == P_STOPPED_SINGLE) {
diff --git a/sys/kern/kern_thread.c b/sys/kern/kern_thread.c
index e02b7f2..6d61cd6 100644
--- a/sys/kern/kern_thread.c
+++ b/sys/kern/kern_thread.c
@@ -1907,11 +1907,9 @@ thread_suspend_check(int return_instead)
 {
 	struct thread *td;
 	struct proc *p;
-	struct ksegrp *kg;
 
 	td = curthread;
 	p = td->td_proc;
-	kg = td->td_ksegrp;
 	PROC_LOCK_ASSERT(p, MA_OWNED);
 	while (P_SHOULDSTOP(p)) {
 		if (P_SHOULDSTOP(p) == P_STOPPED_SINGLE) {
diff --git a/sys/kern/subr_rman.c b/sys/kern/subr_rman.c
index 56c0979..714dd9e 100644
--- a/sys/kern/subr_rman.c
+++ b/sys/kern/subr_rman.c
@@ -475,9 +475,7 @@ rman_await_resource(struct resource *r, int pri, int timo)
 static int
 int_rman_deactivate_resource(struct resource *r)
 {
-	struct	rman *rm;
 
-	rm = r->r_rm;
 	r->r_flags &= ~RF_ACTIVE;
 	if (r->r_flags & RF_WANTED) {
 		r->r_flags &= ~RF_WANTED;
diff --git a/sys/kern/vfs_extattr.c b/sys/kern/vfs_extattr.c
index 5d41208..8639ea6 100644
--- a/sys/kern/vfs_extattr.c
+++ b/sys/kern/vfs_extattr.c
@@ -659,7 +659,7 @@ kern_open(struct thread *td, char *path, enum uio_seg pathseg, int flags,
 	struct vnode *vp;
 	struct vattr vat;
 	struct mount *mp;
-	int cmode, oflags;
+	int cmode;
 	struct file *nfp;
 	int type, indx, error;
 	struct flock lf;
@@ -667,7 +667,6 @@ kern_open(struct thread *td, char *path, enum uio_seg pathseg, int flags,
 
 	if ((flags & O_ACCMODE) == O_ACCMODE)
 		return (EINVAL);
-	oflags = flags;
 	flags = FFLAGS(flags);
 	error = falloc(td, &nfp, &indx);
 	if (error)
@@ -2171,12 +2170,10 @@ fchmod(td, uap)
 	} */ *uap;
 {
 	struct file *fp;
-	struct vnode *vp;
 	int error;
 
 	if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
 		return (error);
-	vp = fp->f_data;
 	error = setfmode(td, fp->f_data, uap->mode);
 	fdrop(fp, td);
 	return (error);
@@ -2315,12 +2312,10 @@ fchown(td, uap)
 	} */ *uap;
 {
 	struct file *fp;
-	struct vnode *vp;
 	int error;
 
 	if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
 		return (error);
-	vp = fp->f_data;
 	error = setfown(td, fp->f_data, uap->uid, uap->gid);
 	fdrop(fp, td);
 	return (error);
diff --git a/sys/kern/vfs_syscalls.c b/sys/kern/vfs_syscalls.c
index 5d41208..8639ea6 100644
--- a/sys/kern/vfs_syscalls.c
+++ b/sys/kern/vfs_syscalls.c
@@ -659,7 +659,7 @@ kern_open(struct thread *td, char *path, enum uio_seg pathseg, int flags,
 	struct vnode *vp;
 	struct vattr vat;
 	struct mount *mp;
-	int cmode, oflags;
+	int cmode;
 	struct file *nfp;
 	int type, indx, error;
 	struct flock lf;
@@ -667,7 +667,6 @@ kern_open(struct thread *td, char *path, enum uio_seg pathseg, int flags,
 
 	if ((flags & O_ACCMODE) == O_ACCMODE)
 		return (EINVAL);
-	oflags = flags;
 	flags = FFLAGS(flags);
 	error = falloc(td, &nfp, &indx);
 	if (error)
@@ -2171,12 +2170,10 @@ fchmod(td, uap)
 	} */ *uap;
 {
 	struct file *fp;
-	struct vnode *vp;
 	int error;
 
 	if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
 		return (error);
-	vp = fp->f_data;
 	error = setfmode(td, fp->f_data, uap->mode);
 	fdrop(fp, td);
 	return (error);
@@ -2315,12 +2312,10 @@ fchown(td, uap)
 	} */ *uap;
 {
 	struct file *fp;
-	struct vnode *vp;
 	int error;
 
 	if ((error = getvnode(td->td_proc->p_fd, uap->fd, &fp)) != 0)
 		return (error);
-	vp = fp->f_data;
 	error = setfown(td, fp->f_data, uap->uid, uap->gid);
 	fdrop(fp, td);
 	return (error);