local variable "count" is not used. hence it is safe to remove and just return 0. Signed-off-by: zhong jiang <zhongjiang@xxxxxxxxxx> --- drivers/net/wireless/broadcom/b43legacy/debugfs.c | 9 +++------ 1 file changed, 3 insertions(+), 6 deletions(-) diff --git a/drivers/net/wireless/broadcom/b43legacy/debugfs.c b/drivers/net/wireless/broadcom/b43legacy/debugfs.c index 082aab8..de766c7 100644 --- a/drivers/net/wireless/broadcom/b43legacy/debugfs.c +++ b/drivers/net/wireless/broadcom/b43legacy/debugfs.c @@ -65,7 +65,6 @@ struct b43legacy_dfs_file * fops_to_dfs_file(struct b43legacy_wldev *dev, /* wl->irq_lock is locked */ static ssize_t tsf_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) { - ssize_t count = 0; u64 tsf; b43legacy_tsf_read(dev, &tsf); @@ -73,7 +72,7 @@ static ssize_t tsf_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufs (unsigned int)((tsf & 0xFFFFFFFF00000000ULL) >> 32), (unsigned int)(tsf & 0xFFFFFFFFULL)); - return count; + return 0; } /* wl->irq_lock is locked */ @@ -91,7 +90,6 @@ static int tsf_write_file(struct b43legacy_wldev *dev, const char *buf, size_t c /* wl->irq_lock is locked */ static ssize_t ucode_regs_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) { - ssize_t count = 0; int i; for (i = 0; i < 64; i++) { @@ -99,7 +97,7 @@ static ssize_t ucode_regs_read_file(struct b43legacy_wldev *dev, char *buf, size b43legacy_shm_read16(dev, B43legacy_SHM_WIRELESS, i)); } - return count; + return 0; } /* wl->irq_lock is locked */ @@ -125,7 +123,6 @@ static ssize_t shm_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufs static ssize_t txstat_read_file(struct b43legacy_wldev *dev, char *buf, size_t bufsize) { struct b43legacy_txstatus_log *log = &dev->dfsentry->txstatlog; - ssize_t count = 0; unsigned long flags; int i, idx; struct b43legacy_txstatus *stat; @@ -166,7 +163,7 @@ static ssize_t txstat_read_file(struct b43legacy_wldev *dev, char *buf, size_t b out_unlock: spin_unlock_irqrestore(&log->lock, flags); - return count; + return 0; } /* wl->irq_lock is locked */ -- 1.7.12.4