Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH] [21/23] kernel/*: Fix unused but set warnings | Date | Thu, 10 Jun 2010 13:10:57 +0200 (CEST) |
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No real bugs I believe, just some dead code.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
--- kernel/debug/kdb/kdb_bp.c | 2 -- kernel/hrtimer.c | 3 +-- kernel/sched_fair.c | 3 +-- kernel/sysctl.c | 5 +---- kernel/trace/ring_buffer.c | 2 -- 5 files changed, 3 insertions(+), 12 deletions(-)
Index: linux-2.6.35-rc2-gcc/kernel/sched_fair.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/kernel/sched_fair.c +++ linux-2.6.35-rc2-gcc/kernel/sched_fair.c @@ -1311,7 +1311,7 @@ static struct sched_group * find_idlest_group(struct sched_domain *sd, struct task_struct *p, int this_cpu, int load_idx) { - struct sched_group *idlest = NULL, *this = NULL, *group = sd->groups; + struct sched_group *idlest = NULL, *group = sd->groups; unsigned long min_load = ULONG_MAX, this_load = 0; int imbalance = 100 + (sd->imbalance_pct-100)/2; @@ -1346,7 +1346,6 @@ find_idlest_group(struct sched_domain *s if (local_group) { this_load = avg_load; - this = group; } else if (avg_load < min_load) { min_load = avg_load; idlest = group; Index: linux-2.6.35-rc2-gcc/kernel/sysctl.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/kernel/sysctl.c +++ linux-2.6.35-rc2-gcc/kernel/sysctl.c @@ -1711,10 +1711,7 @@ static __init int sysctl_init(void) { sysctl_set_parent(NULL, root_table); #ifdef CONFIG_SYSCTL_SYSCALL_CHECK - { - int err; - err = sysctl_check_table(current->nsproxy, root_table); - } + sysctl_check_table(current->nsproxy, root_table); #endif return 0; } Index: linux-2.6.35-rc2-gcc/kernel/hrtimer.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/kernel/hrtimer.c +++ linux-2.6.35-rc2-gcc/kernel/hrtimer.c @@ -1096,11 +1096,10 @@ EXPORT_SYMBOL_GPL(hrtimer_cancel); */ ktime_t hrtimer_get_remaining(const struct hrtimer *timer) { - struct hrtimer_clock_base *base; unsigned long flags; ktime_t rem; - base = lock_hrtimer_base(timer, &flags); + lock_hrtimer_base(timer, &flags); rem = hrtimer_expires_remaining(timer); unlock_hrtimer_base(timer, &flags); Index: linux-2.6.35-rc2-gcc/kernel/debug/kdb/kdb_bp.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/kernel/debug/kdb/kdb_bp.c +++ linux-2.6.35-rc2-gcc/kernel/debug/kdb/kdb_bp.c @@ -274,7 +274,6 @@ static int kdb_bp(int argc, const char * int i, bpno; kdb_bp_t *bp, *bp_check; int diag; - int free; char *symname = NULL; long offset = 0ul; int nextarg; @@ -305,7 +304,6 @@ static int kdb_bp(int argc, const char * /* * Find an empty bp structure to allocate */ - free = KDB_MAXBPT; for (bpno = 0, bp = kdb_breakpoints; bpno < KDB_MAXBPT; bpno++, bp++) { if (bp->bp_free) break; Index: linux-2.6.35-rc2-gcc/kernel/trace/ring_buffer.c =================================================================== --- linux-2.6.35-rc2-gcc.orig/kernel/trace/ring_buffer.c +++ linux-2.6.35-rc2-gcc/kernel/trace/ring_buffer.c @@ -3007,13 +3007,11 @@ static void rb_advance_reader(struct rin static void rb_advance_iter(struct ring_buffer_iter *iter) { - struct ring_buffer *buffer; struct ring_buffer_per_cpu *cpu_buffer; struct ring_buffer_event *event; unsigned length; cpu_buffer = iter->cpu_buffer; - buffer = cpu_buffer->buffer; /* * Check if we are at the end of the buffer.
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