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[PATCH] prepare vfs_readdir() callers to returning filldir result

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It's not the final state, but it allows moving ->readdir() instances
to passing filldir return value to caller of vfs_readdir().

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Al Viro
2008-08-24 07:29:52 -04:00
parent a9885444f7
commit 53c9c5c0e3
6 changed files with 33 additions and 41 deletions
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22
fs/compat.c
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@@ -869,7 +869,7 @@ asmlinkage long compat_sys_old_readdir(unsigned int fd,
buf.dirent = dirent;
error = vfs_readdir(file, compat_fillonedir, &buf);
if (error >= 0)
if (buf.result)
error = buf.result;
fput(file);
@@ -956,9 +956,8 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
buf.error = 0;
error = vfs_readdir(file, compat_filldir, &buf);
if (error < 0)
goto out_putf;
error = buf.error;
if (error >= 0)
error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
if (put_user(file->f_pos, &lastdirent->d_off))
@@ -966,8 +965,6 @@ asmlinkage long compat_sys_getdents(unsigned int fd,
else
error = count - buf.count;
}
out_putf:
fput(file);
out:
return error;
@@ -1047,19 +1044,16 @@ asmlinkage long compat_sys_getdents64(unsigned int fd,
buf.error = 0;
error = vfs_readdir(file, compat_filldir64, &buf);
if (error < 0)
goto out_putf;
error = buf.error;
if (error >= 0)
error = buf.error;
lastdirent = buf.previous;
if (lastdirent) {
typeof(lastdirent->d_off) d_off = file->f_pos;
error = -EFAULT;
if (__put_user_unaligned(d_off, &lastdirent->d_off))
goto out_putf;
error = count - buf.count;
error = -EFAULT;
else
error = count - buf.count;
}
out_putf:
fput(file);
out:
return error;