openslx/kernel-qcow2-linux.git - In-kernel qcow2 (Kernel part)

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Diffstat (limited to 'drivers/media/platform/qcom/venus/vdec.h')

-rw-r--r--

drivers/media/platform/qcom/venus/vdec.h

1 files changed, 1 insertions, 10 deletions

/* * Wrapper functions for 16bit uid back compatibility. All nicely tied * together in the faint hope we can take the out in five years time. */ #include <linux/mm.h> #include <linux/mman.h> #include <linux/notifier.h> #include <linux/reboot.h> #include <linux/prctl.h> #include <linux/capability.h> #include <linux/init.h> #include <linux/highuid.h> #include <linux/security.h> #include <linux/syscalls.h> #include <asm/uaccess.h> SYSCALL_DEFINE3(chown16, const char __user *, filename, old_uid_t, user, old_gid_t, group) { long ret = sys_chown(filename, low2highuid(user), low2highgid(group)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(3, ret, filename, user, group); return ret; } SYSCALL_DEFINE3(lchown16, const char __user *, filename, old_uid_t, user, old_gid_t, group) { long ret = sys_lchown(filename, low2highuid(user), low2highgid(group)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(3, ret, filename, user, group); return ret; } SYSCALL_DEFINE3(fchown16, unsigned int, fd, old_uid_t, user, old_gid_t, group) { long ret = sys_fchown(fd, low2highuid(user), low2highgid(group)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(3, ret, fd, user, group); return ret; } SYSCALL_DEFINE2(setregid16, old_gid_t, rgid, old_gid_t, egid) { long ret = sys_setregid(low2highgid(rgid), low2highgid(egid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(2, ret, rgid, egid); return ret; } SYSCALL_DEFINE1(setgid16, old_gid_t, gid) { long ret = sys_setgid(low2highgid(gid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(1, ret, gid); return ret; } SYSCALL_DEFINE2(setreuid16, old_uid_t, ruid, old_uid_t, euid) { long ret = sys_setreuid(low2highuid(ruid), low2highuid(euid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(2, ret, ruid, euid); return ret; } SYSCALL_DEFINE1(setuid16, old_uid_t, uid) { long ret = sys_setuid(low2highuid(uid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(1, ret, uid); return ret; } SYSCALL_DEFINE3(setresuid16, old_uid_t, ruid, old_uid_t, euid, old_uid_t, suid) { long ret = sys_setresuid(low2highuid(ruid), low2highuid(euid), low2highuid(suid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(3, ret, ruid, euid, suid); return ret; } SYSCALL_DEFINE3(getresuid16, old_uid_t __user *, ruid, old_uid_t __user *, euid, old_uid_t __user *, suid) { const struct cred *cred = current_cred(); int retval; if (!(retval = put_user(high2lowuid(cred->uid), ruid)) && !(retval = put_user(high2lowuid(cred->euid), euid))) retval = put_user(high2lowuid(cred->suid), suid); return retval; } SYSCALL_DEFINE3(setresgid16, old_gid_t, rgid, old_gid_t, egid, old_gid_t, sgid) { long ret = sys_setresgid(low2highgid(rgid), low2highgid(egid), low2highgid(sgid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(3, ret, rgid, egid, sgid); return ret; } SYSCALL_DEFINE3(getresgid16, old_gid_t __user *, rgid, old_gid_t __user *, egid, old_gid_t __user *, sgid) { const struct cred *cred = current_cred(); int retval; if (!(retval = put_user(high2lowgid(cred->gid), rgid)) && !(retval = put_user(high2lowgid(cred->egid), egid))) retval = put_user(high2lowgid(cred->sgid), sgid); return retval; } SYSCALL_DEFINE1(setfsuid16, old_uid_t, uid) { long ret = sys_setfsuid(low2highuid(uid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(1, ret, uid); return ret; } SYSCALL_DEFINE1(setfsgid16, old_gid_t, gid) { long ret = sys_setfsgid(low2highgid(gid)); /* avoid REGPARM breakage on x86: */ asmlinkage_protect(1, ret, gid); return ret; } static int groups16_to_user(old_gid_t __user *grouplist, struct group_info *group_info) { int i; old_gid_t group; for (i = 0; i < group_info->ngroups; i++) { group = high2lowgid(GROUP_AT(group_info, i)); if (put_user(group, grouplist+i)) return -EFAULT; } return 0; } static int groups16_from_user(struct group_info *group_info, old_gid_t __user *grouplist) { int i; old_gid_t group; for (i = 0; i < group_info->ngroups; i++) { if (get_user(group, grouplist+i)) return -EFAULT; GROUP_AT(group_info, i) = low2highgid(group); } return 0; } SYSCALL_DEFINE2(getgroups16, int, gidsetsize, old_gid_t __user *, grouplist) { const struct cred *cred = current_cred(); int i; if (gidsetsize < 0) return -EINVAL; i = cred->group_info->ngroups; if (gidsetsize) { if (i > gidsetsize) { i = -EINVAL; goto out; } if (groups16_to_user(grouplist, cred->group_info)) { i = -EFAULT; goto out; } } out: return i;


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