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version 1.7, 2001/08/13 21:29:20
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version 1.8, 2001/08/30 06:11:05
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| static int emlog_open(struct inode *inode, struct file *file) | static int emlog_open(struct inode *inode, struct file *file) |
| { | { |
| int minor = MINOR(inode->i_rdev); | int minor = MINOR(inode->i_rdev); |
| |
|
| struct emlog_info *einfo = NULL; | struct emlog_info *einfo = NULL; |
| int retval; |
int retval = 0; |
| |
|
| |
MOD_INC_USE_COUNT; |
| | |
| if ((einfo = get_einfo(inode)) == NULL) { | if ((einfo = get_einfo(inode)) == NULL) { |
| /* never heard of this inode before... create a new record */ | /* never heard of this inode before... create a new record */ |
| if ((retval = create_einfo(inode, minor, &einfo)) < 0) | if ((retval = create_einfo(inode, minor, &einfo)) < 0) |
| return retval; |
goto out; |
| } | } |
| | |
| if (einfo == NULL) { | if (einfo == NULL) { |
| printk("BUG IN EMLOG!\n"); | printk("BUG IN EMLOG!\n"); |
| return -EIO; |
retval = -EIO; |
| |
goto out; |
| } | } |
| | |
| |
/* success! */ |
| einfo->refcount++; | einfo->refcount++; |
| MOD_INC_USE_COUNT; |
|
| return 0; |
out: |
| |
if (retval < 0) |
| |
MOD_DEC_USE_COUNT; |
| |
return retval; |
| } | } |
| | |
| | |
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