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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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Merge branch 'for-next' of git://git.samba.org/sfrench/cifs-2.6
Pull CIFS fixes from Steve French: "Small set of misc cifs/smb3 fixes" * 'for-next' of git://git.samba.org/sfrench/cifs-2.6: [CIFS] fix mount failure with broken pathnames when smb3 mount with mapchars option cifs: revalidate mapping prior to satisfying read_iter request with cache=loose fs/cifs: fix regression in cifs_create_mf_symlink()
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commit
d7933ab727
@ -290,7 +290,8 @@ int
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cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
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const struct nls_table *cp, int mapChars)
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{
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int i, j, charlen;
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int i, charlen;
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int j = 0;
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char src_char;
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__le16 dst_char;
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wchar_t tmp;
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@ -298,12 +299,11 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
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if (!mapChars)
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return cifs_strtoUTF16(target, source, PATH_MAX, cp);
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for (i = 0, j = 0; i < srclen; j++) {
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for (i = 0; i < srclen; j++) {
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src_char = source[i];
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charlen = 1;
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switch (src_char) {
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case 0:
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put_unaligned(0, &target[j]);
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goto ctoUTF16_out;
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case ':':
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dst_char = cpu_to_le16(UNI_COLON);
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@ -350,6 +350,7 @@ cifsConvertToUTF16(__le16 *target, const char *source, int srclen,
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}
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ctoUTF16_out:
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put_unaligned(0, &target[j]); /* Null terminate target unicode string */
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return j;
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}
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@ -725,6 +725,19 @@ cifs_do_mount(struct file_system_type *fs_type,
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goto out;
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}
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static ssize_t
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cifs_loose_read_iter(struct kiocb *iocb, struct iov_iter *iter)
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{
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ssize_t rc;
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struct inode *inode = file_inode(iocb->ki_filp);
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rc = cifs_revalidate_mapping(inode);
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if (rc)
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return rc;
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return generic_file_read_iter(iocb, iter);
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}
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static ssize_t cifs_file_write_iter(struct kiocb *iocb, struct iov_iter *from)
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{
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struct inode *inode = file_inode(iocb->ki_filp);
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@ -881,7 +894,7 @@ const struct inode_operations cifs_symlink_inode_ops = {
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const struct file_operations cifs_file_ops = {
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.read = new_sync_read,
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.write = new_sync_write,
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.read_iter = generic_file_read_iter,
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.read_iter = cifs_loose_read_iter,
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.write_iter = cifs_file_write_iter,
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.open = cifs_open,
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.release = cifs_close,
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@ -939,7 +952,7 @@ const struct file_operations cifs_file_direct_ops = {
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const struct file_operations cifs_file_nobrl_ops = {
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.read = new_sync_read,
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.write = new_sync_write,
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.read_iter = generic_file_read_iter,
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.read_iter = cifs_loose_read_iter,
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.write_iter = cifs_file_write_iter,
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.open = cifs_open,
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.release = cifs_close,
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@ -374,7 +374,7 @@ cifs_create_mf_symlink(unsigned int xid, struct cifs_tcon *tcon,
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oparms.cifs_sb = cifs_sb;
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oparms.desired_access = GENERIC_WRITE;
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oparms.create_options = create_options;
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oparms.disposition = FILE_OPEN;
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oparms.disposition = FILE_CREATE;
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oparms.path = path;
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oparms.fid = &fid;
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oparms.reconnect = false;
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