Messages in this thread | | | Date | Tue, 15 Apr 2003 14:24:58 +0100 | From | Dave Jones <> | Subject | Re: Writing modules for 2.5 |
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On Tue, Apr 15, 2003 at 01:57:58PM +0100, Russell King wrote: > On Tue, Apr 15, 2003 at 02:39:14PM +0200, M?ns Rullg?rd wrote: > > My situation is like this: I am converting a char device driver to > > work with linux 2.5. In the open and close functions there are > > MOD_INC/DEC_USECOUNT calls. The question is what they should be > > replaced with. Will it be handled correctly without them? > > If it's a character device driver using the struct file_operations, > set the owner field as Alan mentioned, and remove the > MOD_{INC,DEC}_USE_COUNT macros from the open/close methods. This > allows chrdev_open() (in fs/char_dev.c) to increment your module use > count automatically.
Unless the open/close functions are doing funky things (like the watchdog drivers do).
Dave
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