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i40e: add range check to i40e_aq_rc_to_posix 

Just to be sure, add a range check to avoid any possible
array index-out-of-bound issues.

CC: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Change-ID: I9323bee6732c2a47599816e1d6c6b3a1f8dcbf54
Signed-off-by: Shannon Nelson <shannon.nelson@intel.com>
Acked-by: Michal Kosiarz <michal.kosiarz@intel.com>
Tested-by: Jim Young <jamesx.m.young@intel.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com>
This commit is contained in:
Shannon Nelson 2014-11-13 08:23:16 +00:00 committed by Jeff Kirsher
parent 74d0d0ede7
commit 43477d2bbf
2 changed files with 4 additions and 0 deletions
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2
drivers/net/ethernet/intel/i40e/i40e_adminq.h
View File

@ -136,6 +136,8 @@ static inline int i40e_aq_rc_to_posix(u16 aq_rc)
-EFBIG, /* I40E_AQ_RC_EFBIG */
};
if (aq_rc >= ARRAY_SIZE(aq_to_posix))
return -ERANGE;
return aq_to_posix[aq_rc];
}

2
drivers/net/ethernet/intel/i40evf/i40e_adminq.h
View File

@ -136,6 +136,8 @@ static inline int i40e_aq_rc_to_posix(u16 aq_rc)
-EFBIG, /* I40E_AQ_RC_EFBIG */
};
if (aq_rc >= ARRAY_SIZE(aq_to_posix))
return -ERANGE;
return aq_to_posix[aq_rc];
}