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Message-ID: <20070925062248.GB18444@kroah.com>
Date: Mon, 24 Sep 2007 23:22:48 -0700
From: Greg Kroah-Hartman <gregkh@...e.de>
To: linux-kernel@...r.kernel.org,
Andrew Morton <akpm@...ux-foundation.org>,
torvalds@...ux-foundation.org, stable@...nel.org
Subject: Re: Linux 2.6.22.8
diff --git a/Makefile b/Makefile
index 12edea0..dc7a45d 100644
--- a/Makefile
+++ b/Makefile
@@ -1,7 +1,7 @@
VERSION = 2
PATCHLEVEL = 6
SUBLEVEL = 22
-EXTRAVERSION = .7
+EXTRAVERSION = .8
NAME = Holy Dancing Manatees, Batman!
# *DOCUMENTATION*
diff --git a/sound/core/memalloc.c b/sound/core/memalloc.c
index f057430..9b5656d 100644
--- a/sound/core/memalloc.c
+++ b/sound/core/memalloc.c
@@ -27,6 +27,7 @@
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/mm.h>
+#include <linux/seq_file.h>
#include <asm/uaccess.h>
#include <linux/dma-mapping.h>
#include <linux/moduleparam.h>
@@ -481,53 +482,54 @@ static void free_all_reserved_pages(void)
#define SND_MEM_PROC_FILE "driver/snd-page-alloc"
static struct proc_dir_entry *snd_mem_proc;
-static int snd_mem_proc_read(char *page, char **start, off_t off,
- int count, int *eof, void *data)
+static int snd_mem_proc_read(struct seq_file *seq, void *offset)
{
- int len = 0;
long pages = snd_allocated_pages >> (PAGE_SHIFT-12);
struct snd_mem_list *mem;
int devno;
static char *types[] = { "UNKNOWN", "CONT", "DEV", "DEV-SG", "SBUS" };
mutex_lock(&list_mutex);
- len += snprintf(page + len, count - len,
- "pages : %li bytes (%li pages per %likB)\n",
- pages * PAGE_SIZE, pages, PAGE_SIZE / 1024);
+ seq_printf(seq, "pages : %li bytes (%li pages per %likB)\n",
+ pages * PAGE_SIZE, pages, PAGE_SIZE / 1024);
devno = 0;
list_for_each_entry(mem, &mem_list_head, list) {
devno++;
- len += snprintf(page + len, count - len,
- "buffer %d : ID %08x : type %s\n",
- devno, mem->id, types[mem->buffer.dev.type]);
- len += snprintf(page + len, count - len,
- " addr = 0x%lx, size = %d bytes\n",
- (unsigned long)mem->buffer.addr, (int)mem->buffer.bytes);
+ seq_printf(seq, "buffer %d : ID %08x : type %s\n",
+ devno, mem->id, types[mem->buffer.dev.type]);
+ seq_printf(seq, " addr = 0x%lx, size = %d bytes\n",
+ (unsigned long)mem->buffer.addr,
+ (int)mem->buffer.bytes);
}
mutex_unlock(&list_mutex);
- return len;
+ return 0;
+}
+
+static int snd_mem_proc_open(struct inode *inode, struct file *file)
+{
+ return single_open(file, snd_mem_proc_read, NULL);
}
/* FIXME: for pci only - other bus? */
#ifdef CONFIG_PCI
#define gettoken(bufp) strsep(bufp, " \t\n")
-static int snd_mem_proc_write(struct file *file, const char __user *buffer,
- unsigned long count, void *data)
+static ssize_t snd_mem_proc_write(struct file *file, const char __user * buffer,
+ size_t count, loff_t * ppos)
{
char buf[128];
char *token, *p;
- if (count > ARRAY_SIZE(buf) - 1)
- count = ARRAY_SIZE(buf) - 1;
+ if (count > sizeof(buf) - 1)
+ return -EINVAL;
if (copy_from_user(buf, buffer, count))
return -EFAULT;
- buf[ARRAY_SIZE(buf) - 1] = '\0';
+ buf[count] = '\0';
p = buf;
token = gettoken(&p);
if (! token || *token == '#')
- return (int)count;
+ return count;
if (strcmp(token, "add") == 0) {
char *endp;
int vendor, device, size, buffers;
@@ -548,7 +550,7 @@ static int snd_mem_proc_write(struct file *file, const char __user *buffer,
(buffers = simple_strtol(token, NULL, 0)) <= 0 ||
buffers > 4) {
printk(KERN_ERR "snd-page-alloc: invalid proc write format\n");
- return (int)count;
+ return count;
}
vendor &= 0xffff;
device &= 0xffff;
@@ -560,7 +562,7 @@ static int snd_mem_proc_write(struct file *file, const char __user *buffer,
if (pci_set_dma_mask(pci, mask) < 0 ||
pci_set_consistent_dma_mask(pci, mask) < 0) {
printk(KERN_ERR "snd-page-alloc: cannot set DMA mask %lx for pci %04x:%04x\n", mask, vendor, device);
- return (int)count;
+ return count;
}
}
for (i = 0; i < buffers; i++) {
@@ -570,7 +572,7 @@ static int snd_mem_proc_write(struct file *file, const char __user *buffer,
size, &dmab) < 0) {
printk(KERN_ERR "snd-page-alloc: cannot allocate buffer pages (size = %d)\n", size);
pci_dev_put(pci);
- return (int)count;
+ return count;
}
snd_dma_reserve_buf(&dmab, snd_dma_pci_buf_id(pci));
}
@@ -596,9 +598,21 @@ static int snd_mem_proc_write(struct file *file, const char __user *buffer,
free_all_reserved_pages();
else
printk(KERN_ERR "snd-page-alloc: invalid proc cmd\n");
- return (int)count;
+ return count;
}
#endif /* CONFIG_PCI */
+
+static const struct file_operations snd_mem_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = snd_mem_proc_open,
+ .read = seq_read,
+#ifdef CONFIG_PCI
+ .write = snd_mem_proc_write,
+#endif
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
#endif /* CONFIG_PROC_FS */
/*
@@ -609,12 +623,8 @@ static int __init snd_mem_init(void)
{
#ifdef CONFIG_PROC_FS
snd_mem_proc = create_proc_entry(SND_MEM_PROC_FILE, 0644, NULL);
- if (snd_mem_proc) {
- snd_mem_proc->read_proc = snd_mem_proc_read;
-#ifdef CONFIG_PCI
- snd_mem_proc->write_proc = snd_mem_proc_write;
-#endif
- }
+ if (snd_mem_proc)
+ snd_mem_proc->proc_fops = &snd_mem_proc_fops;
#endif
return 0;
}
-
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