diff options
| author | Al Viro <viro@zeniv.linux.org.uk> | 2013-01-21 21:25:54 +0100 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2013-03-04 04:58:33 +0100 |
| commit | 2cf0966683430b6468f36ca20515a33ca7f2403c (patch) | |
| tree | 902080486ebd7988d1250914c3809c4de472a22b /fs/open.c | |
| parent | make HAVE_SYSCALL_WRAPPERS unconditional (diff) | |
| download | linux-2cf0966683430b6468f36ca20515a33ca7f2403c.tar.xz linux-2cf0966683430b6468f36ca20515a33ca7f2403c.zip | |
make SYSCALL_DEFINE<n>-generated wrappers do asmlinkage_protect
... and switch i386 to HAVE_SYSCALL_WRAPPERS, killing open-coded
uses of asmlinkage_protect() in a bunch of syscalls.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'fs/open.c')
| -rw-r--r-- | fs/open.c | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/fs/open.c b/fs/open.c index a53922450448..8c741002f947 100644 --- a/fs/open.c +++ b/fs/open.c @@ -197,10 +197,7 @@ out: SYSCALL_DEFINE2(ftruncate, unsigned int, fd, unsigned long, length) { - long ret = do_sys_ftruncate(fd, length, 1); - /* avoid REGPARM breakage on x86: */ - asmlinkage_protect(2, ret, fd, length); - return ret; + return do_sys_ftruncate(fd, length, 1); } #ifdef CONFIG_COMPAT @@ -219,10 +216,7 @@ SYSCALL_DEFINE2(truncate64, const char __user *, path, loff_t, length) SYSCALL_DEFINE2(ftruncate64, unsigned int, fd, loff_t, length) { - long ret = do_sys_ftruncate(fd, length, 0); - /* avoid REGPARM breakage on x86: */ - asmlinkage_protect(2, ret, fd, length); - return ret; + return do_sys_ftruncate(fd, length, 0); } #endif /* BITS_PER_LONG == 32 */ @@ -961,29 +955,19 @@ long do_sys_open(int dfd, const char __user *filename, int flags, umode_t mode) SYSCALL_DEFINE3(open, const char __user *, filename, int, flags, umode_t, mode) { - long ret; - if (force_o_largefile()) flags |= O_LARGEFILE; - ret = do_sys_open(AT_FDCWD, filename, flags, mode); - /* avoid REGPARM breakage on x86: */ - asmlinkage_protect(3, ret, filename, flags, mode); - return ret; + return do_sys_open(AT_FDCWD, filename, flags, mode); } SYSCALL_DEFINE4(openat, int, dfd, const char __user *, filename, int, flags, umode_t, mode) { - long ret; - if (force_o_largefile()) flags |= O_LARGEFILE; - ret = do_sys_open(dfd, filename, flags, mode); - /* avoid REGPARM breakage on x86: */ - asmlinkage_protect(4, ret, dfd, filename, flags, mode); - return ret; + return do_sys_open(dfd, filename, flags, mode); } #ifndef __alpha__ |