On Sat, Nov 14, 2015 at 12:40 PM, Shiyao Ma <i@xxxxxxxxx> wrote:
Hi,When writing a char device driver, if the "open" slots is left vacant in the file_operations structure, what will happen if "open" is called ?
You can have a loot at chrdev_open() function in fs/char_dev.c file.
regards
sudip
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