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Message-ID: <lsq.1510009387.404140530@decadent.org.uk>
Date: Mon, 06 Nov 2017 23:03:07 +0000
From: Ben Hutchings <ben@...adent.org.uk>
To: linux-kernel@...r.kernel.org, stable@...r.kernel.org
CC: akpm@...ux-foundation.org, "David S. Miller" <davem@...emloft.net>,
"Danny Kukawka" <danny.kukawka@...ect.de>
Subject: [PATCH 3.2 115/147] eicon: fix -Warray-bounds warning
3.2.95-rc1 review patch. If anyone has any objections, please let me know.
------------------
From: Danny Kukawka <danny.kukawka@...ect.de>
commit e1f4c485cdb2b1d7aae172b731f6c2b403381ebb upstream.
Fix for a -Warray-bounds warning. mixer_notify_update() tries to
write to ((CAPI_MSG *) msg)->info.facility_req.structs[3] while
structs is defined as byte structs[1]. Set all 'structs' which are
part of the typdefs in the info union to 'byte structs[0]'.
v2: set all info.*.structs to byte structs[0]
Signed-off-by: Danny Kukawka <danny.kukawka@...ect.de>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Ben Hutchings <ben@...adent.org.uk>
---
drivers/isdn/hardware/eicon/capi20.h | 60 ++++++++++++++++++------------------
1 file changed, 30 insertions(+), 30 deletions(-)
--- a/drivers/isdn/hardware/eicon/capi20.h
+++ b/drivers/isdn/hardware/eicon/capi20.h
@@ -117,7 +117,7 @@ typedef struct api_profile_s {
/*------------------------------------------------------------------*/
/* ALERT-REQUEST */
typedef struct {
- byte structs[1]; /* Additional Info */
+ byte structs[0]; /* Additional Info */
} _ALT_REQP;
/* ALERT-CONFIRM */
typedef struct {
@@ -126,7 +126,7 @@ typedef struct {
/* CONNECT-REQUEST */
typedef struct {
word CIP_Value;
- byte structs[1]; /* Called party number,
+ byte structs[0]; /* Called party number,
Called party subaddress,
Calling party number,
Calling party subaddress,
@@ -143,7 +143,7 @@ typedef struct {
/* CONNECT-INDICATION */
typedef struct {
word CIP_Value;
- byte structs[1]; /* Called party number,
+ byte structs[0]; /* Called party number,
Called party subaddress,
Calling party number,
Calling party subaddress,
@@ -155,24 +155,24 @@ typedef struct {
/* CONNECT-RESPONSE */
typedef struct {
word Accept;
- byte structs[1]; /* B_protocol,
+ byte structs[0]; /* B_protocol,
Connected party number,
Connected party subaddress,
LLC */
} _CON_RESP;
/* CONNECT-ACTIVE-INDICATION */
typedef struct {
- byte structs[1]; /* Connected party number,
+ byte structs[0]; /* Connected party number,
Connected party subaddress,
LLC */
} _CON_A_INDP;
/* CONNECT-ACTIVE-RESPONSE */
typedef struct {
- byte structs[1]; /* empty */
+ byte structs[0]; /* empty */
} _CON_A_RESP;
/* DISCONNECT-REQUEST */
typedef struct {
- byte structs[1]; /* Additional Info */
+ byte structs[0]; /* Additional Info */
} _DIS_REQP;
/* DISCONNECT-CONFIRM */
typedef struct {
@@ -184,13 +184,13 @@ typedef struct {
} _DIS_INDP;
/* DISCONNECT-RESPONSE */
typedef struct {
- byte structs[1]; /* empty */
+ byte structs[0]; /* empty */
} _DIS_RESP;
/* LISTEN-REQUEST */
typedef struct {
dword Info_Mask;
dword CIP_Mask;
- byte structs[1]; /* Calling party number,
+ byte structs[0]; /* Calling party number,
Calling party subaddress */
} _LIS_REQP;
/* LISTEN-CONFIRM */
@@ -199,7 +199,7 @@ typedef struct {
} _LIS_CONP;
/* INFO-REQUEST */
typedef struct {
- byte structs[1]; /* Called party number,
+ byte structs[0]; /* Called party number,
Additional Info */
} _INF_REQP;
/* INFO-CONFIRM */
@@ -209,15 +209,15 @@ typedef struct {
/* INFO-INDICATION */
typedef struct {
word Number;
- byte structs[1]; /* Info element */
+ byte structs[0]; /* Info element */
} _INF_INDP;
/* INFO-RESPONSE */
typedef struct {
- byte structs[1]; /* empty */
+ byte structs[0]; /* empty */
} _INF_RESP;
/* SELECT-B-REQUEST */
typedef struct {
- byte structs[1]; /* B-protocol */
+ byte structs[0]; /* B-protocol */
} _SEL_B_REQP;
/* SELECT-B-CONFIRM */
typedef struct {
@@ -226,7 +226,7 @@ typedef struct {
/* FACILITY-REQUEST */
typedef struct {
word Selector;
- byte structs[1]; /* Facility parameters */
+ byte structs[0]; /* Facility parameters */
} _FAC_REQP;
/* FACILITY-CONFIRM STRUCT FOR SUPPLEMENT. SERVICES */
typedef struct {
@@ -240,21 +240,21 @@ typedef struct {
typedef struct {
word Info;
word Selector;
- byte structs[1]; /* Facility parameters */
+ byte structs[0]; /* Facility parameters */
} _FAC_CONP;
/* FACILITY-INDICATION */
typedef struct {
word Selector;
- byte structs[1]; /* Facility parameters */
+ byte structs[0]; /* Facility parameters */
} _FAC_INDP;
/* FACILITY-RESPONSE */
typedef struct {
word Selector;
- byte structs[1]; /* Facility parameters */
+ byte structs[0]; /* Facility parameters */
} _FAC_RESP;
/* CONNECT-B3-REQUEST */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _CON_B3_REQP;
/* CONNECT-B3-CONFIRM */
typedef struct {
@@ -262,24 +262,24 @@ typedef struct {
} _CON_B3_CONP;
/* CONNECT-B3-INDICATION */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _CON_B3_INDP;
/* CONNECT-B3-RESPONSE */
typedef struct {
word Accept;
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _CON_B3_RESP;
/* CONNECT-B3-ACTIVE-INDICATION */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _CON_B3_A_INDP;
/* CONNECT-B3-ACTIVE-RESPONSE */
typedef struct {
- byte structs[1]; /* empty */
+ byte structs[0]; /* empty */
} _CON_B3_A_RESP;
/* DISCONNECT-B3-REQUEST */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _DIS_B3_REQP;
/* DISCONNECT-B3-CONFIRM */
typedef struct {
@@ -288,11 +288,11 @@ typedef struct {
/* DISCONNECT-B3-INDICATION */
typedef struct {
word Info;
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _DIS_B3_INDP;
/* DISCONNECT-B3-RESPONSE */
typedef struct {
- byte structs[1]; /* empty */
+ byte structs[0]; /* empty */
} _DIS_B3_RESP;
/* DATA-B3-REQUEST */
typedef struct {
@@ -335,7 +335,7 @@ typedef struct {
} _DAT_B3_RESP;
/* RESET-B3-REQUEST */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _RES_B3_REQP;
/* RESET-B3-CONFIRM */
typedef struct {
@@ -343,20 +343,20 @@ typedef struct {
} _RES_B3_CONP;
/* RESET-B3-INDICATION */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _RES_B3_INDP;
/* RESET-B3-RESPONSE */
typedef struct {
- byte structs[1]; /* empty */
+ byte structs[0]; /* empty */
} _RES_B3_RESP;
/* CONNECT-B3-T90-ACTIVE-INDICATION */
typedef struct {
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _CON_B3_T90_A_INDP;
/* CONNECT-B3-T90-ACTIVE-RESPONSE */
typedef struct {
word Reject;
- byte structs[1]; /* NCPI */
+ byte structs[0]; /* NCPI */
} _CON_B3_T90_A_RESP;
/*------------------------------------------------------------------*/
/* message structure */
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