commoncap.c (7c73875e7dda627040b12c19b01db634fa7f0fd1) commoncap.c (a2551df7ec568d87793d2eea4ca744e86318f205)
1/* Common capabilities, needed by capability.o and root_plug.o
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 */

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1000 * -EPERM if not.
1001 */
1002int cap_file_mmap(struct file *file, unsigned long reqprot,
1003 unsigned long prot, unsigned long flags,
1004 unsigned long addr, unsigned long addr_only)
1005{
1006 int ret = 0;
1007
1/* Common capabilities, needed by capability.o and root_plug.o
2 *
3 * This program is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 */

--- 991 unchanged lines hidden (view full) ---

1000 * -EPERM if not.
1001 */
1002int cap_file_mmap(struct file *file, unsigned long reqprot,
1003 unsigned long prot, unsigned long flags,
1004 unsigned long addr, unsigned long addr_only)
1005{
1006 int ret = 0;
1007
1008 if (addr < mmap_min_addr) {
1008 if (addr < dac_mmap_min_addr) {
1009 ret = cap_capable(current, current_cred(), CAP_SYS_RAWIO,
1010 SECURITY_CAP_AUDIT);
1011 /* set PF_SUPERPRIV if it turns out we allow the low mmap */
1012 if (ret == 0)
1013 current->flags |= PF_SUPERPRIV;
1014 }
1015 return ret;
1016}
1009 ret = cap_capable(current, current_cred(), CAP_SYS_RAWIO,
1010 SECURITY_CAP_AUDIT);
1011 /* set PF_SUPERPRIV if it turns out we allow the low mmap */
1012 if (ret == 0)
1013 current->flags |= PF_SUPERPRIV;
1014 }
1015 return ret;
1016}