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| author |   Al Viro <viro@zeniv.linux.org.uk> | 2015-03-17 09:59:38 -0400 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2015-04-11 22:27:12 -0400 |
| commit | b353a1f7bbd6c015e8563e902f7c78710348e28f (patch) | |
| tree | 0a67a8267925c96ff192364fbe4e01c7079cd363 /security/keys/compat.c | |
| parent | switch {compat_,}do_readv_writev() to {compat_,}import_iovec() (diff) | |
| download | linux-dev-b353a1f7bbd6c015e8563e902f7c78710348e28f.tar.xz linux-dev-b353a1f7bbd6c015e8563e902f7c78710348e28f.zip | |
switch keyctl_instantiate_key_common() to iov_iter
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'security/keys/compat.c')
| -rw-r--r-- | security/keys/compat.c | 29 |
1 files changed, 10 insertions, 19 deletions
diff --git a/security/keys/compat.c b/security/keys/compat.c index 347896548ad3..25430a3aa7f7 100644 --- a/security/keys/compat.c +++ b/security/keys/compat.c @@ -31,30 +31,21 @@ static long compat_keyctl_instantiate_key_iov( key_serial_t ringid) { struct iovec iovstack[UIO_FASTIOV], *iov = iovstack; + struct iov_iter from; long ret; - if (!_payload_iov || !ioc) - goto no_payload; + if (!_payload_iov) + ioc = 0; - ret = compat_rw_copy_check_uvector(WRITE, _payload_iov, ioc, - ARRAY_SIZE(iovstack), - iovstack, &iov); + ret = compat_import_iovec(WRITE, _payload_iov, ioc, + ARRAY_SIZE(iovstack), &iov, + &from); if (ret < 0) - goto err; - if (ret == 0) - goto no_payload_free; - - ret = keyctl_instantiate_key_common(id, iov, ioc, ret, ringid); -err: - if (iov != iovstack) - kfree(iov); - return ret; + return ret; -no_payload_free: - if (iov != iovstack) - kfree(iov); -no_payload: - return keyctl_instantiate_key_common(id, NULL, 0, 0, ringid); + ret = keyctl_instantiate_key_common(id, &from, ringid); + kfree(iov); + return ret; } /* |