Revision 2cff98b99c469880ce830cbcde015b53b67e0a7b authored by Dean Nelson on 29 April 2015, 15:09:18 UTC, committed by Will Deacon on 29 April 2015, 16:39:39 UTC
__dma_alloc() does a PAGE_ALIGN() on the passed in size argument before doing anything else. __dma_free() does not. And because it doesn't, it is possible to leak memory should size not be an integer multiple of PAGE_SIZE. The solution is to add a PAGE_ALIGN() to __dma_free() like is done in __dma_alloc(). Additionally, this patch removes a redundant PAGE_ALIGN() from __dma_alloc_coherent(), since __dma_alloc_coherent() can only be called from __dma_alloc(), which already does a PAGE_ALIGN() before the call. Cc: stable@vger.kernel.org Acked-by: Catalin Marinas <catalin.marinas@arm.com> Signed-off-by: Dean Nelson <dnelson@redhat.com> Signed-off-by: Will Deacon <will.deacon@arm.com>
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NCR_D700.h
/* -*- mode: c; c-basic-offset: 8 -*- */
/* NCR Dual 700 MCA SCSI Driver
*
* Copyright (C) 2001 by James.Bottomley@HansenPartnership.com
*/
#ifndef _NCR_D700_H
#define _NCR_D700_H
/* Don't turn on debugging messages */
#undef NCR_D700_DEBUG
/* The MCA identifier */
#define NCR_D700_MCA_ID 0x0092
/* Defines for the Board registers */
#define BOARD_RESET 0x80 /* board level reset */
#define ADD_PARENB 0x04 /* Address Parity Enabled */
#define DAT_PARENB 0x01 /* Data Parity Enabled */
#define SFBK_ENB 0x10 /* SFDBK Interrupt Enabled */
#define LED0GREEN 0x20 /* Led 0 (red 0; green 1) */
#define LED1GREEN 0x40 /* Led 1 (red 0; green 1) */
#define LED0RED 0xDF /* Led 0 (red 0; green 1) */
#define LED1RED 0xBF /* Led 1 (red 0; green 1) */
#define NCR_D700_CLOCK_MHZ 50
#endif
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