[RTEMS Project] #4290: gr_cpi_gr740.c: Unchecked return value from library error spotted by Coverity

[RTEMS trac]

#4290: gr_cpi_gr740.c: Unchecked return value from library error spotted by
Coverity
------------------------+--------------------
  Reporter:  Ryan Long  |      Owner:  (none)
      Type:  defect     |     Status:  new
  Priority:  normal     |  Milestone:  6.1
 Component:  bsps       |    Version:  6
  Severity:  normal     |   Keywords:
Blocked By:             |   Blocking:
------------------------+--------------------
 CID 1437630: Unchecked return value from library in gr_cpci_gr740_inti1().

 {{{
 472        strcpy(priv->prefix, "/dev/gr740_0");
 473        priv->prefix[11] += dev->minor_drv;
    CID 1437630 (#1 of 1): Unchecked return value from library
 (CHECKED_RETURN)2. check_return: Calling mkdir(priv->prefix, 511U) without
 checking return value. This library function may fail and return an error
 code. [Note: The source code implementation of the function has been
 overridden by a builtin model.]
 474        mkdir(priv->prefix, S_IRWXU | S_IRWXG | S_IRWXO);
 475        priv->prefix[12] = '/';
 476        priv->prefix[13] = '\0';
 }}}

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Ticket URL: <http://devel.rtems.org/ticket/4290>
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