From ee98581f624a6ce0f17706d7ff2a161aacfb977a Mon Sep 17 00:00:00 2001 From: Geert Uytterhoeven Date: Thu, 27 Sep 2012 20:38:26 +0200 Subject: staging: serial: dgrp: Add missing #include MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit On m68k: drivers/staging/dgrp/dgrp_mon_ops.c: In function ‘dgrp_mon_read’: drivers/staging/dgrp/dgrp_mon_ops.c:304: error: implicit declaration of function ‘copy_to_user’ drivers/staging/dgrp/dgrp_specproc.c: In function ‘config_proc_write’: drivers/staging/dgrp/dgrp_specproc.c:470: error: implicit declaration of function ‘copy_from_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘drp_wmove’: drivers/staging/dgrp/dgrp_tty.c:1284: error: implicit declaration of function ‘copy_from_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘get_modem_info’: drivers/staging/dgrp/dgrp_tty.c:2267: error: implicit declaration of function ‘put_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘set_modem_info’: drivers/staging/dgrp/dgrp_tty.c:2283: error: implicit declaration of function ‘access_ok’ drivers/staging/dgrp/dgrp_tty.c:2283: error: ‘VERIFY_READ’ undeclared (first use in this function) drivers/staging/dgrp/dgrp_tty.c:2283: error: (Each undeclared identifier is reported only once drivers/staging/dgrp/dgrp_tty.c:2283: error: for each function it appears in.) drivers/staging/dgrp/dgrp_tty.c:2287: error: implicit declaration of function ‘get_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘dgrp_tty_digigetedelay’: drivers/staging/dgrp/dgrp_tty.c:2474: error: implicit declaration of function ‘copy_to_user’ drivers/staging/dgrp/dgrp_tty.c: In function ‘dgrp_tty_ioctl’: drivers/staging/dgrp/dgrp_tty.c:2618: error: ‘VERIFY_WRITE’ undeclared (first use in this function) Signed-off-by: Geert Uytterhoeven Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgrp/dgrp_mon_ops.c | 1 + drivers/staging/dgrp/dgrp_specproc.c | 1 + drivers/staging/dgrp/dgrp_tty.c | 1 + 3 files changed, 3 insertions(+) (limited to 'drivers/staging/dgrp') diff --git a/drivers/staging/dgrp/dgrp_mon_ops.c b/drivers/staging/dgrp/dgrp_mon_ops.c index 268dcb95204b..4792d056a365 100644 --- a/drivers/staging/dgrp/dgrp_mon_ops.c +++ b/drivers/staging/dgrp/dgrp_mon_ops.c @@ -38,6 +38,7 @@ #include #include #include +#include #include "dgrp_common.h" diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c index 28f5c9ab6b43..a5840e7d6665 100644 --- a/drivers/staging/dgrp/dgrp_specproc.c +++ b/drivers/staging/dgrp/dgrp_specproc.c @@ -39,6 +39,7 @@ #include #include #include +#include #include #include "dgrp_common.h" diff --git a/drivers/staging/dgrp/dgrp_tty.c b/drivers/staging/dgrp/dgrp_tty.c index 7d7de873870c..72f6fcfa9878 100644 --- a/drivers/staging/dgrp/dgrp_tty.c +++ b/drivers/staging/dgrp/dgrp_tty.c @@ -40,6 +40,7 @@ #include #include #include +#include #include "dgrp_common.h" -- cgit v1.2.3 From d7c4660c12adc5c66351253af381259686fa08a4 Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Tue, 9 Oct 2012 14:18:19 -0400 Subject: staging: dgrp: check for NULL pointer in (un)register_proc_table register_proc_table and unregister_proc_table didn't deal with the possibility that the *table pointer could be NULL. Check for this and return if table is NULL. Reported-by: Fengguang Wu Signed-off-by: Bill Pemberton Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgrp/dgrp_specproc.c | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/staging/dgrp') diff --git a/drivers/staging/dgrp/dgrp_specproc.c b/drivers/staging/dgrp/dgrp_specproc.c index a5840e7d6665..24327c3bad83 100644 --- a/drivers/staging/dgrp/dgrp_specproc.c +++ b/drivers/staging/dgrp/dgrp_specproc.c @@ -229,6 +229,9 @@ static void register_proc_table(struct dgrp_proc_entry *table, int len; mode_t mode; + if (table == NULL) + return; + for (; table->id; table++) { /* Can't do anything without a proc name. */ if (!table->name) @@ -297,6 +300,9 @@ static void unregister_proc_table(struct dgrp_proc_entry *table, struct proc_dir_entry *de; struct nd_struct *tmp; + if (table == NULL) + return; + list_for_each_entry(tmp, &nd_struct_list, list) { if ((table == dgrp_net_table) && (tmp->nd_net_de)) { unregister_dgrp_device(tmp->nd_net_de); -- cgit v1.2.3 From 178e485a0ebbfdb7165b4363d8fea2a07d650c0b Mon Sep 17 00:00:00 2001 From: Bill Pemberton Date: Tue, 9 Oct 2012 14:18:20 -0400 Subject: staging: dgrp: check return value of alloc_tty_driver alloc_tty_driver was always assumed to succeed. Add code to check the return value and return -ENOMEM if alloc_tty_driver fails. Reported-by: Fengguang Wu Signed-off-by: Bill Pemberton Signed-off-by: Greg Kroah-Hartman --- drivers/staging/dgrp/dgrp_tty.c | 9 +++++++++ 1 file changed, 9 insertions(+) (limited to 'drivers/staging/dgrp') diff --git a/drivers/staging/dgrp/dgrp_tty.c b/drivers/staging/dgrp/dgrp_tty.c index 72f6fcfa9878..e125b03598d7 100644 --- a/drivers/staging/dgrp/dgrp_tty.c +++ b/drivers/staging/dgrp/dgrp_tty.c @@ -3173,6 +3173,9 @@ dgrp_tty_init(struct nd_struct *nd) */ nd->nd_serial_ttdriver = alloc_tty_driver(CHAN_MAX); + if (!nd->nd_serial_ttdriver) + return -ENOMEM; + sprintf(nd->nd_serial_name, "tty_dgrp_%s_", id); nd->nd_serial_ttdriver->owner = THIS_MODULE; @@ -3232,6 +3235,9 @@ dgrp_tty_init(struct nd_struct *nd) } nd->nd_callout_ttdriver = alloc_tty_driver(CHAN_MAX); + if (!nd->nd_callout_ttdriver) + return -ENOMEM; + sprintf(nd->nd_callout_name, "cu_dgrp_%s_", id); nd->nd_callout_ttdriver->owner = THIS_MODULE; @@ -3269,6 +3275,9 @@ dgrp_tty_init(struct nd_struct *nd) nd->nd_xprint_ttdriver = alloc_tty_driver(CHAN_MAX); + if (!nd->nd_xprint_ttdriver) + return -ENOMEM; + sprintf(nd->nd_xprint_name, "pr_dgrp_%s_", id); nd->nd_xprint_ttdriver->owner = THIS_MODULE; -- cgit v1.2.3