linux-kernel - [PATCH] b43legacy: Remove unneeded variable

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Message-ID: <194e8e87fda5f02664fcfac3717458f2@208suo.com>
Date:   Wed, 14 Jun 2023 15:55:29 +0800
From:   wuyonggang001@...suo.com
To:     Larry.Finger@...inger.net, kvalo@...nel.org
Cc:     linux-wireless@...r.kernel.org, b43-dev@...ts.infradead.org,
        linux-kernel@...r.kernel.org
Subject: [PATCH] b43legacy: Remove unneeded variable

Fix the following coccicheck warning:

drivers/net/wireless/broadcom/b43legacy/debugfs.c:68:9-14: Unneeded 
variable: "count".

Signed-off-by: Yonggang Wu <wuyonggang001@...suo.com>
---
  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 6b0e8d117061..184b0b4bdd94 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 */