Functions using a printf format argument do not modify the value of this
argument. These functions can therefore use type "const char *" instead
of "char *".

This patch has only been compile-tested.

Signed-off-by: Nicolas Iooss <nicolas.iooss_li...@m4x.org>
---
 drivers/isdn/hardware/eicon/debug.c    | 14 +++++++-------
 drivers/isdn/hardware/eicon/debuglib.h |  6 +++---
 drivers/isdn/hardware/eicon/maintidi.c |  2 +-
 3 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/drivers/isdn/hardware/eicon/debug.c 
b/drivers/isdn/hardware/eicon/debug.c
index cd8d70e3292d..b8772bbee872 100644
--- a/drivers/isdn/hardware/eicon/debug.c
+++ b/drivers/isdn/hardware/eicon/debug.c
@@ -14,9 +14,9 @@
 
 static void DI_register(void *arg);
 static void DI_deregister(pDbgHandle hDbg);
-static void DI_format(int do_lock, word id, int type, char *format, va_list 
argument_list);
-static void DI_format_locked(word id, int type, char *format, va_list 
argument_list);
-static void DI_format_old(word id, char *format, va_list ap) { }
+static void DI_format(int do_lock, word id, int type, const char *format, 
va_list argument_list);
+static void DI_format_locked(word id, int type, const char *format, va_list 
argument_list);
+static void DI_format_old(word id, const char *format, va_list ap) { }
 static void DiProcessEventLog(unsigned short id, unsigned long msgID, va_list 
ap) { }
 static void single_p(byte *P, word *PLength, byte Id);
 static void diva_maint_xdi_cb(ENTITY *e);
@@ -25,7 +25,7 @@ static int diva_mnt_cmp_nmbr(const char *nmbr);
 static void diva_free_dma_descriptor(IDI_CALL request, int nr);
 static int diva_get_dma_descriptor(IDI_CALL request, dword *dma_magic);
 __printf(3, 4)
-void diva_mnt_internal_dprintf(dword drv_id, dword type, char *p, ...);
+void diva_mnt_internal_dprintf(dword drv_id, dword type, const char *p, ...);
 
 static dword MaxDumpSize = 256;
 static dword MaxXlogSize = 2 + 128;
@@ -561,7 +561,7 @@ static void DI_deregister(pDbgHandle hDbg) {
 
 static void DI_format_locked(unsigned short id,
                             int type,
-                            char *format,
+                            const char *format,
                             va_list argument_list) {
        DI_format(1, id, type, format, argument_list);
 }
@@ -569,7 +569,7 @@ static void DI_format_locked(unsigned short id,
 static void DI_format(int do_lock,
                      unsigned short id,
                      int type,
-                     char *format,
+                     const char *format,
                      va_list ap) {
        diva_os_spin_lock_magic_t old_irql;
        dword sec, usec;
@@ -1904,7 +1904,7 @@ static void 
diva_change_management_debug_mask(diva_maint_client_t *pC, dword old
 }
 
 
-void diva_mnt_internal_dprintf(dword drv_id, dword type, char *fmt, ...) {
+void diva_mnt_internal_dprintf(dword drv_id, dword type, const char *fmt, ...) 
{
        va_list ap;
 
        va_start(ap, fmt);
diff --git a/drivers/isdn/hardware/eicon/debuglib.h 
b/drivers/isdn/hardware/eicon/debuglib.h
index 6dcbf6afb8f9..2170de140335 100644
--- a/drivers/isdn/hardware/eicon/debuglib.h
+++ b/drivers/isdn/hardware/eicon/debuglib.h
@@ -230,10 +230,10 @@ extern void DbgSetLevel(unsigned long dbgMask);
  */
 typedef struct _DbgHandle_ *pDbgHandle;
 typedef void (*DbgEnd)(pDbgHandle);
-typedef void (*DbgLog)(unsigned short, int, char *, va_list);
-typedef void (*DbgOld)(unsigned short, char *, va_list);
+typedef void (*DbgLog)(unsigned short, int, const char *, va_list);
+typedef void (*DbgOld)(unsigned short, const char *, va_list);
 typedef void (*DbgEv)(unsigned short, unsigned long, va_list);
-typedef void (*DbgIrq)(unsigned short, int, char *, va_list);
+typedef void (*DbgIrq)(unsigned short, int, const char *, va_list);
 typedef struct _DbgHandle_
 { char    Registered; /* driver successfully registered */
 #define DBG_HANDLE_REG_NEW 0x01  /* this (new) structure    */
diff --git a/drivers/isdn/hardware/eicon/maintidi.c 
b/drivers/isdn/hardware/eicon/maintidi.c
index b2ed2939b4fa..a635595e9be3 100644
--- a/drivers/isdn/hardware/eicon/maintidi.c
+++ b/drivers/isdn/hardware/eicon/maintidi.c
@@ -31,7 +31,7 @@
 
 
 extern __printf(3, 4)
-void diva_mnt_internal_dprintf(dword drv_id, dword type, char *p, ...);
+void diva_mnt_internal_dprintf(dword drv_id, dword type, const char *p, ...);
 
 #define MODEM_PARSE_ENTRIES  16 /* amount of variables of interest */
 #define FAX_PARSE_ENTRIES    12 /* amount of variables of interest */
-- 
2.10.1

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