variable ‘something’ set but not used [-Wunused-but-set-variable]

[Mahmood Naderan <nt_mahmood@xxxxxxxxx>]

dear all,
GCC-4.6 says this warning
    

syscall.c:1011:15: warning: variable ‘fullpath_length’ set but not used [-Wunused-but-set-variable]


However in the code, I see

        int length, fullpath_length;    // warning at this line
        int host_fd;
        struct fd_t *fd;

        /* Read parameters */
        pfilename = isa_regs->ebx;
        flags = isa_regs->ecx;
        mode = isa_regs->edx;
        length = mem_read_string(isa_mem, pfilename, MAX_PATH_SIZE, filename);
        if (length >= MAX_PATH_SIZE)
            fatal("syscall open: maximum path length exceeded");
        ld_get_full_path(isa_ctx, filename, fullpath, MAX_PATH_SIZE);
        fullpath_length = strlen(fullpath);     // variable is used here

 
As you can see fullpath_length is defined as 'int' and is used at the end of the code.
Any way to fix that?


// Naderan *Mahmood;