* [PATCH] kfifo: Rename read_lock/write_lock
@ 2021-10-05 13:45 Sebastian Andrzej Siewior
0 siblings, 0 replies; 2+ messages in thread
From: Sebastian Andrzej Siewior @ 2021-10-05 13:45 UTC (permalink / raw)
To: linux-kernel; +Cc: Stefani Seibold, Thomas Gleixner
The variables names read_lock and write_lock can clash with functions
used for
read/writer locks.
Rename read_lock to read_access and write_lock to write_access to avoid
a name
collision.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked by Stefani Seibold <stefani@seibold.net>
---
samples/kfifo/bytestream-example.c | 12 ++++++------
samples/kfifo/inttype-example.c | 12 ++++++------
samples/kfifo/record-example.c | 12 ++++++------
3 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/samples/kfifo/bytestream-example.c
b/samples/kfifo/bytestream-example.c
index 5a90aa5278775..642d0748c1695 100644
--- a/samples/kfifo/bytestream-example.c
+++ b/samples/kfifo/bytestream-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "bytestream-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -116,12 +116,12 @@ static ssize_t fifo_write(struct file *file,
const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -134,12 +134,12 @@ static ssize_t fifo_read(struct file *file, char
__user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kfifo/inttype-example.c b/samples/kfifo/inttype-
example.c
index e5403d8c971a5..c61482ba94f4d 100644
--- a/samples/kfifo/inttype-example.c
+++ b/samples/kfifo/inttype-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "int-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -109,12 +109,12 @@ static ssize_t fifo_write(struct file *file,
const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -127,12 +127,12 @@ static ssize_t fifo_read(struct file *file, char
__user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kfifo/record-example.c b/samples/kfifo/record-
example.c
index f64f3d62d6c2a..e4087b2d3fc4b 100644
--- a/samples/kfifo/record-example.c
+++ b/samples/kfifo/record-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "record-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -123,12 +123,12 @@ static ssize_t fifo_write(struct file *file,
const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -141,12 +141,12 @@ static ssize_t fifo_read(struct file *file, char
__user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
^ permalink raw reply related [flat|nested] 2+ messages in thread
* [PATCH] kfifo: Rename read_lock/write_lock
@ 2021-08-06 15:25 Sebastian Andrzej Siewior
0 siblings, 0 replies; 2+ messages in thread
From: Sebastian Andrzej Siewior @ 2021-08-06 15:25 UTC (permalink / raw)
To: linux-kernel; +Cc: Stefani Seibold, Thomas Gleixner
The variables names read_lock and write_lock can clash with functions used for
read/writer locks.
Rename read_lock to read_access and write_lock to write_access to avoid a name
collision.
Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
---
samples/kfifo/bytestream-example.c | 12 ++++++------
samples/kfifo/inttype-example.c | 12 ++++++------
samples/kfifo/record-example.c | 12 ++++++------
3 files changed, 18 insertions(+), 18 deletions(-)
diff --git a/samples/kfifo/bytestream-example.c b/samples/kfifo/bytestream-example.c
index 5a90aa5278775..642d0748c1695 100644
--- a/samples/kfifo/bytestream-example.c
+++ b/samples/kfifo/bytestream-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "bytestream-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -116,12 +116,12 @@ static ssize_t fifo_write(struct file *file, const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -134,12 +134,12 @@ static ssize_t fifo_read(struct file *file, char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kfifo/inttype-example.c b/samples/kfifo/inttype-example.c
index e5403d8c971a5..c61482ba94f4d 100644
--- a/samples/kfifo/inttype-example.c
+++ b/samples/kfifo/inttype-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "int-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -109,12 +109,12 @@ static ssize_t fifo_write(struct file *file, const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -127,12 +127,12 @@ static ssize_t fifo_read(struct file *file, char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
diff --git a/samples/kfifo/record-example.c b/samples/kfifo/record-example.c
index f64f3d62d6c2a..e4087b2d3fc4b 100644
--- a/samples/kfifo/record-example.c
+++ b/samples/kfifo/record-example.c
@@ -22,10 +22,10 @@
#define PROC_FIFO "record-fifo"
/* lock for procfs read access */
-static DEFINE_MUTEX(read_lock);
+static DEFINE_MUTEX(read_access);
/* lock for procfs write access */
-static DEFINE_MUTEX(write_lock);
+static DEFINE_MUTEX(write_access);
/*
* define DYNAMIC in this example for a dynamically allocated fifo.
@@ -123,12 +123,12 @@ static ssize_t fifo_write(struct file *file, const char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&write_lock))
+ if (mutex_lock_interruptible(&write_access))
return -ERESTARTSYS;
ret = kfifo_from_user(&test, buf, count, &copied);
- mutex_unlock(&write_lock);
+ mutex_unlock(&write_access);
if (ret)
return ret;
@@ -141,12 +141,12 @@ static ssize_t fifo_read(struct file *file, char __user *buf,
int ret;
unsigned int copied;
- if (mutex_lock_interruptible(&read_lock))
+ if (mutex_lock_interruptible(&read_access))
return -ERESTARTSYS;
ret = kfifo_to_user(&test, buf, count, &copied);
- mutex_unlock(&read_lock);
+ mutex_unlock(&read_access);
if (ret)
return ret;
--
2.32.0
^ permalink raw reply related [flat|nested] 2+ messages in thread
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