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libsa: replace remaining _write callbacks by null_write

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There are some _write callbacks left only returning EROFS, replace them
by null_write. return EROFS from null_write().

Reviewed by:	cem, imp, kan
Differential Revision:	https://reviews.freebsd.org/D14523
This commit is contained in:
Toomas Soome 2018-02-27 12:53:25 +00:00
parent 61abc6bf13
commit 468b6c536a
3 changed files with 3 additions and 21 deletions
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11
stand/libsa/cd9660.c
View File

@ -66,8 +66,6 @@ static int cd9660_open(const char *path, struct open_file *f);
static int cd9660_close(struct open_file *f);
static int cd9660_read(struct open_file *f, void *buf, size_t size,
size_t *resid);
static int cd9660_write(struct open_file *f, const void *buf, size_t size,
size_t *resid);
static off_t cd9660_seek(struct open_file *f, off_t offset, int where);
static int cd9660_stat(struct open_file *f, struct stat *sb);
static int cd9660_readdir(struct open_file *f, struct dirent *d);
@ -86,7 +84,7 @@ struct fs_ops cd9660_fsops = {
cd9660_open,
cd9660_close,
cd9660_read,
cd9660_write,
null_write,
cd9660_seek,
cd9660_stat,
cd9660_readdir
@ -556,13 +554,6 @@ cd9660_readdir(struct open_file *f, struct dirent *d)
return (0);
}
static int
cd9660_write(struct open_file *f __unused, const void *buf __unused,
size_t size __unused, size_t *resid __unused)
{
return EROFS;
}
static off_t
cd9660_seek(struct open_file *f, off_t offset, int where)
{

2
stand/libsa/nullfs.c
View File

@ -85,7 +85,7 @@ int null_read (struct open_file *f, void *buf, size_t size, size_t *resid)
int null_write (struct open_file *f, const void *buf, size_t size, size_t *resid)
{
return EIO;
return EROFS;
}
off_t null_seek (struct open_file *f, off_t offset, int where)

11
stand/libsa/tftp.c
View File

@ -69,8 +69,6 @@ static int tftp_open(const char *path, struct open_file *f);
static int tftp_close(struct open_file *f);
static int tftp_parse_oack(struct tftp_handle *h, char *buf, size_t len);
static int tftp_read(struct open_file *f, void *buf, size_t size, size_t *resid);
static int tftp_write(struct open_file *f, const void *buf, size_t size,
size_t *resid);
static off_t tftp_seek(struct open_file *f, off_t offset, int where);
static int tftp_set_blksize(struct tftp_handle *h, const char *str);
static int tftp_stat(struct open_file *f, struct stat *sb);
@ -80,7 +78,7 @@ struct fs_ops tftp_fsops = {
tftp_open,
tftp_close,
tftp_read,
tftp_write,
null_write,
tftp_seek,
tftp_stat,
null_readdir
@ -574,13 +572,6 @@ tftp_close(struct open_file *f)
return (0);
}
static int
tftp_write(struct open_file *f __unused, const void *start __unused,
size_t size __unused, size_t *resid __unused /* out */)
{
return (EROFS);
}
static int
tftp_stat(struct open_file *f, struct stat *sb)
{