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Commit cf127911 authored by Al Viro's avatar Al Viro
Browse files

proc_fd_permission() is doesn't need to bail out in RCU mode 



nothing blocking except generic_permission()

Signed-off-by: default avatarAl Viro <viro@zeniv.linux.org.uk>
parent 730e908f

fs/proc/base.c

+1 −5
Original line number Diff line number Diff line
@@ -2169,11 +2169,7 @@ static const struct file_operations proc_fd_operations = { 
 */

static int proc_fd_permission(struct inode *inode, int mask, unsigned int flags)

{

	int rv;



	if (flags & IPERM_FLAG_RCU)

		return -ECHILD;

	rv = generic_permission(inode, mask, flags, NULL);

	int rv = generic_permission(inode, mask, flags, NULL);

	if (rv == 0)

		return 0;

	if (task_pid(current) == proc_pid(inode))