Defined in 3 files as a function:

• arch/um/drivers/null.c, line 15 (as a function)
• crypto/crypto_null.c, line 38 (as a function)
• drivers/block/null_blk.c, line 584 (as a function)

Referenced in 3 files:

• arch/um/drivers/null.c, line 42
• crypto/crypto_null.c, line 96
• drivers/block/null_blk.c, line 649