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authorKirill Smelkov <kirr@mns.spb.ru>2005-11-07 00:59:22 -0800
committerLinus Torvalds <torvalds@g5.osdl.org>2005-11-07 07:53:36 -0800
commit64698b694db96b8db6f379de7d2040f61c6fc7bf (patch)
tree06f3ed29fc2971f0861feb9b6474474a6a31d508 /drivers/char
parent57432345b644ef92dcd0a378db6bc40ab0e7f314 (diff)
downloadop-kernel-dev-64698b694db96b8db6f379de7d2040f61c6fc7bf.zip
op-kernel-dev-64698b694db96b8db6f379de7d2040f61c6fc7bf.tar.gz
[PATCH] serial moxa: fix leaks of struct tty_driver
Fix leak of struct tty_driver in mxser_init & mxser_module_exit Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru> Cc: Alan Cox <alan@lxorguk.ukuu.org.uk> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'drivers/char')
-rw-r--r--drivers/char/mxser.c22
1 files changed, 11 insertions, 11 deletions
diff --git a/drivers/char/mxser.c b/drivers/char/mxser.c
index 4b783d9..d5c34af 100644
--- a/drivers/char/mxser.c
+++ b/drivers/char/mxser.c
@@ -494,14 +494,18 @@ static int __init mxser_module_init(void)
static void __exit mxser_module_exit(void)
{
- int i, err = 0;
+ int i, err;
if (verbose)
printk(KERN_DEBUG "Unloading module mxser ...\n");
- if ((err |= tty_unregister_driver(mxvar_sdriver)))
+ err = tty_unregister_driver(mxvar_sdriver);
+ if (!err)
+ put_tty_driver(mxvar_sdriver);
+ else
printk(KERN_ERR "Couldn't unregister MOXA Smartio/Industio family serial driver\n");
+
for (i = 0; i < MXSER_BOARDS; i++) {
struct pci_dev *pdev;
@@ -690,7 +694,6 @@ static int mxser_get_PCI_conf(int busnum, int devnum, int board_type, struct mxs
static int mxser_init(void)
{
int i, m, retval, b, n;
- int ret1;
struct pci_dev *pdev = NULL;
int index;
unsigned char busnum, devnum;
@@ -854,14 +857,11 @@ static int mxser_init(void)
}
#endif
- ret1 = 0;
- if (!(ret1 = tty_register_driver(mxvar_sdriver))) {
- return 0;
- } else
+ retval = tty_register_driver(mxvar_sdriver);
+ if (retval) {
printk(KERN_ERR "Couldn't install MOXA Smartio/Industio family driver !\n");
+ put_tty_driver(mxvar_sdriver);
-
- if (ret1) {
for (i = 0; i < MXSER_BOARDS; i++) {
if (mxsercfg[i].board_type == -1)
continue;
@@ -870,10 +870,10 @@ static int mxser_init(void)
//todo: release io, vector
}
}
- return -1;
+ return retval;
}
- return (0);
+ return 0;
}
static void mxser_do_softint(void *private_)
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