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authorLinus Torvalds <torvalds@linux-foundation.org>2008-08-27 14:31:44 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2008-08-27 14:31:44 -0700
commit5b51a7e9d84f19df4d532ebf5624dbb8ad0d6c9c (patch)
treeaa8359921a8039474c7bb1544823184855e59694 /arch
parent3d87ff3e44bd2a13cbe2d2e02cc5e38953ff260f (diff)
parent4cdfe84b51420c9ac95c7133da2d4c8a191094af (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs-2.6: [PATCH] deal with the first call of ->show() generating no output [PATCH] fix ->llseek() for a bunch of directories [PATCH] fix regular readdir() and friends [PATCH] fix hpux_getdents() [PATCH] fix osf_getdirents() [PATCH] ntfs: use d_add_ci [PATCH] change d_add_ci argument ordering [PATCH] fix efs_lookup() [PATCH] proc: inode number fixlet
Diffstat (limited to 'arch')
-rw-r--r--arch/alpha/kernel/osf_sys.c19
-rw-r--r--arch/parisc/hpux/fs.c30
2 files changed, 31 insertions, 18 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 6e943135f0e..8509dad3120 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -121,24 +121,29 @@ osf_filldir(void *__buf, const char *name, int namlen, loff_t offset,
if (reclen > buf->count)
return -EINVAL;
d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+ if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
+ buf->error = -EOVERFLOW;
return -EOVERFLOW;
+ }
if (buf->basep) {
if (put_user(offset, buf->basep))
- return -EFAULT;
+ goto Efault;
buf->basep = NULL;
}
dirent = buf->dirent;
- put_user(d_ino, &dirent->d_ino);
- put_user(namlen, &dirent->d_namlen);
- put_user(reclen, &dirent->d_reclen);
- if (copy_to_user(dirent->d_name, name, namlen) ||
+ if (put_user(d_ino, &dirent->d_ino) ||
+ put_user(namlen, &dirent->d_namlen) ||
+ put_user(reclen, &dirent->d_reclen) ||
+ copy_to_user(dirent->d_name, name, namlen) ||
put_user(0, dirent->d_name + namlen))
- return -EFAULT;
+ goto Efault;
dirent = (void __user *)dirent + reclen;
buf->dirent = dirent;
buf->count -= reclen;
return 0;
+Efault:
+ buf->error = -EFAULT;
+ return -EFAULT;
}
asmlinkage int
diff --git a/arch/parisc/hpux/fs.c b/arch/parisc/hpux/fs.c
index 1263f00dc35..69ff671498e 100644
--- a/arch/parisc/hpux/fs.c
+++ b/arch/parisc/hpux/fs.c
@@ -84,22 +84,28 @@ static int filldir(void * __buf, const char * name, int namlen, loff_t offset,
if (reclen > buf->count)
return -EINVAL;
d_ino = ino;
- if (sizeof(d_ino) < sizeof(ino) && d_ino != ino)
+ if (sizeof(d_ino) < sizeof(ino) && d_ino != ino) {
+ buf->error = -EOVERFLOW;
return -EOVERFLOW;
+ }
dirent = buf->previous;
if (dirent)
- put_user(offset, &dirent->d_off);
+ if (put_user(offset, &dirent->d_off))
+ goto Efault;
dirent = buf->current_dir;
+ if (put_user(d_ino, &dirent->d_ino) ||
+ put_user(reclen, &dirent->d_reclen) ||
+ put_user(namlen, &dirent->d_namlen) ||
+ copy_to_user(dirent->d_name, name, namlen) ||
+ put_user(0, dirent->d_name + namlen))
+ goto Efault;
buf->previous = dirent;
- put_user(d_ino, &dirent->d_ino);
- put_user(reclen, &dirent->d_reclen);
- put_user(namlen, &dirent->d_namlen);
- copy_to_user(dirent->d_name, name, namlen);
- put_user(0, dirent->d_name + namlen);
- dirent = (void __user *)dirent + reclen;
- buf->current_dir = dirent;
+ buf->current_dir = (void __user *)dirent + reclen;
buf->count -= reclen;
return 0;
+Efault:
+ buffer->error = -EFAULT;
+ return -EFAULT;
}
#undef NAME_OFFSET
@@ -126,8 +132,10 @@ int hpux_getdents(unsigned int fd, struct hpux_dirent __user *dirent, unsigned i
error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
- put_user(file->f_pos, &lastdirent->d_off);
- error = count - buf.count;
+ if (put_user(file->f_pos, &lastdirent->d_off))
+ error = -EFAULT;
+ else
+ error = count - buf.count;
}
out_putf: