--- a/src/drv_mei_cpe_linux.c +++ b/src/drv_mei_cpe_linux.c @@ -1267,7 +1267,9 @@ static long MEI_Ioctl( struct file *filp MEI_IOCTL_RETURN: local_args.drv_ioctl.retCode = ret; - copy_to_user( ((IOCTL_MEI_arg_t *)nArgument), &local_args, retSize); + if (copy_to_user( ((IOCTL_MEI_arg_t *)nArgument), &local_args, retSize)) + PRN_ERR_USR_NL( MEI_DRV, MEI_DRV_PRN_LEVEL_ERR, + ("MEI_DRV[??] Error ioctl - copy_to_user failed!" MEI_DRV_CRLF)); return (ret < 0) ? -1 : 0; } @@ -3571,9 +3573,11 @@ static int MEI_IoctlMeiDbgAccessWr_Wrap( ret = MEI_IoctlMeiDbgAccessWr( pMeiDynCntrl, pLocalArgument); /* return arguments - count */ - copy_to_user( (void *)&pUserArgument->count, + if (copy_to_user( (void *)&pUserArgument->count, (void *)&pLocalArgument->count, - sizeof(pUserArgument->count) ) ; + sizeof(pUserArgument->count) )) + PRN_ERR_USR_NL( MEI_DRV, MEI_DRV_PRN_LEVEL_ERR, + ("MEI_DRV[??] Error ioctl - copy_to_user failed!" MEI_DRV_CRLF)); return ret; } @@ -3600,16 +3604,20 @@ static int MEI_IoctlMeiDbgAccessRd_Wrap( if ( pLocalArgument->count ) { /* return the buffer */ - copy_to_user( pUserBuf, + if (copy_to_user( pUserBuf, pLocalArgument->pData_32, - pLocalArgument->count * sizeof(IFX_uint32_t) ) ; + pLocalArgument->count * sizeof(IFX_uint32_t) )) + PRN_ERR_USR_NL( MEI_DRV, MEI_DRV_PRN_LEVEL_ERR, + ("MEI_DRV[??] Error ioctl - copy_to_user failed!" MEI_DRV_CRLF)); } /* return count argument */ - copy_to_user( (void *)&pUserArgument->count, + if (copy_to_user( (void *)&pUserArgument->count, (void *)&pLocalArgument->count, - sizeof(pUserArgument->count) ) ; + sizeof(pUserArgument->count) )) + PRN_ERR_USR_NL( MEI_DRV, MEI_DRV_PRN_LEVEL_ERR, + ("MEI_DRV[??] Error ioctl - copy_to_user failed!" MEI_DRV_CRLF)); return ret; }