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o kmalloc error check

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o error file mode
The 1st Jan 1970 date I'm seeing in /dev is a devfs issue I think.
This commit is contained in:
Alasdair Kergon 2001-09-14 10:06:22 +00:00
parent fd36a66ccc
commit 765d06119f
2 changed files with 6 additions and 2 deletions
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2
driver/device-mapper/dm-fs.c
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@ -100,7 +100,7 @@ static struct file *open_error_file(struct file *table)
table->f_vfsmnt->mnt_mountpoint->d_name.name,
table->f_dentry->d_parent->d_name.name,
table->f_dentry->d_name.name);
f = filp_open(name, O_WRONLY|O_TRUNC|O_CREAT, 0);
f = filp_open(name, O_WRONLY|O_TRUNC|O_CREAT, S_IRUGO);
kfree(name);
if (f)

6
driver/device-mapper/dm.c
View File

@ -474,6 +474,10 @@ static inline int __any_old_dev(void)
static struct mapped_device *alloc_dev(int minor)
{
struct mapped_device *md = kmalloc(sizeof(*md), GFP_KERNEL);
if (!md)
return 0;
memset(md, 0, sizeof(*md));
down_write(&_dev_lock);
@ -625,7 +629,7 @@ int dm_create(const char *name, int minor)
return -ENXIO;
if (!(md = alloc_dev(minor)))
return -ENOMEM;
return -ENXIO;
down_write(&_dev_lock);
if (__find_by_name(name)) {