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[XFS] Don't validate symlink target component length
This target component validation is not POSIX conformant and it is not done by any other Linux filesystem so remove it from XFS. SGI-PV: 980080 SGI-Modid: xfs-linux-melb:xfs-kern:30776a Signed-off-by: Christoph Hellwig <hch@infradead.org> Signed-off-by: David Chinner <dgc@sgi.com> Signed-off-by: Lachlan McIlroy <lachlan@sgi.com>
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@ -3105,31 +3105,6 @@ xfs_symlink(
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pathlen = strlen(target_path);
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if (pathlen >= MAXPATHLEN) /* total string too long */
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return XFS_ERROR(ENAMETOOLONG);
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if (pathlen >= MAXNAMELEN) { /* is any component too long? */
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int len, total;
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char *path;
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for (total = 0, path = target_path; total < pathlen;) {
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/*
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* Skip any slashes.
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*/
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while(*path == '/') {
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total++;
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path++;
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}
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/*
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* Count up to the next slash or end of path.
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* Error out if the component is bigger than MAXNAMELEN.
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*/
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for(len = 0; *path != '/' && total < pathlen;total++, path++) {
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if (++len >= MAXNAMELEN) {
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error = ENAMETOOLONG;
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return error;
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}
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}
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}
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}
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if (DM_EVENT_ENABLED(dp, DM_EVENT_SYMLINK)) {
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error = XFS_SEND_NAMESP(mp, DM_EVENT_SYMLINK, dp,
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