verify_area
Name
verify_area -- Obsolete, use
access_ok
Synopsis
int verify_area
(int type, const void * addr, unsigned long size);
Arguments
- type
Type of access: VERIFY_READ
or VERIFY_WRITE
- addr
User space pointer to start of block to check
- size
Size of block to check
Context
User context only. This function may sleep.
Description
This function has been replaced by access_ok
.
Checks if a pointer to a block of memory in user space is valid.
Returns zero if the memory block may be valid, -EFAULT
if it is definitely invalid.
See access_ok
for more details.