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smb: client: ignore unhandled reparse tags
Just ignore reparse points that the client can't parse rather than
bailing out and not opening the file or directory.
Reported-by: Marc <1marc1@gmail.com>
Closes: https://lore.kernel.org/r/CAMHwNVv-B+Q6wa0FEXrAuzdchzcJRsPKDDRrNaYZJd6X-+iJzw@mail.gmail.com
Fixes: 539aad7f14
("smb: client: introduce ->parse_reparse_point()")
Tested-by: Anthony Nandaa (Microsoft) <profnandaa@gmail.com>
Signed-off-by: Paulo Alcantara (Red Hat) <pc@manguebit.com>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
parent
15179cf280
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@ -378,6 +378,8 @@ int parse_reparse_point(struct reparse_data_buffer *buf,
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u32 plen, struct cifs_sb_info *cifs_sb,
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bool unicode, struct cifs_open_info_data *data)
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{
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struct cifs_tcon *tcon = cifs_sb_master_tcon(cifs_sb);
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data->reparse.buf = buf;
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/* See MS-FSCC 2.1.2 */
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@ -394,12 +396,13 @@ int parse_reparse_point(struct reparse_data_buffer *buf,
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case IO_REPARSE_TAG_LX_FIFO:
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case IO_REPARSE_TAG_LX_CHR:
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case IO_REPARSE_TAG_LX_BLK:
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return 0;
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break;
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default:
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cifs_dbg(VFS, "%s: unhandled reparse tag: 0x%08x\n",
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__func__, le32_to_cpu(buf->ReparseTag));
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return -EOPNOTSUPP;
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cifs_tcon_dbg(VFS | ONCE, "unhandled reparse tag: 0x%08x\n",
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le32_to_cpu(buf->ReparseTag));
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break;
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}
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return 0;
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}
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int smb2_parse_reparse_point(struct cifs_sb_info *cifs_sb,
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