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server: Only check if permission bits changed before calling fchmod().
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@ -376,7 +376,7 @@ static int dir_set_sd( struct object *obj, const struct security_descriptor *sd,
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mode = st.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXG);
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mode |= sd_to_mode( sd, owner );
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if (st.st_mode != mode && fchmod( unix_fd, mode ) == -1)
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if (((st.st_mode ^ mode) & (S_IRWXU|S_IRWXG|S_IRWXO)) && fchmod( unix_fd, mode ) == -1)
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{
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file_set_error();
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return 0;
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@ -560,7 +560,7 @@ static int file_set_sd( struct object *obj, const struct security_descriptor *sd
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mode = st.st_mode & (S_ISUID|S_ISGID|S_ISVTX|S_IRWXG);
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mode |= sd_to_mode( sd, owner );
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if (st.st_mode != mode && fchmod( unix_fd, mode ) == -1)
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if (((st.st_mode ^ mode) & (S_IRWXU|S_IRWXG|S_IRWXO)) && fchmod( unix_fd, mode ) == -1)
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{
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file_set_error();
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return 0;
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