Messages in this thread Patch in this message | | | From | Kirill Smelkov <> | Subject | [PATCH] serial moxa: fix leaks of struct tty_driver | Date | Mon, 31 Oct 2005 13:21:29 +0300 |
| |
Fix leak of struct tty_driver in mxser_init & mxser_module_exit
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Fix leak of struct tty_driver in mxser_init & mxser_module_exit
Signed-off-by: Kirill Smelkov <kirr@mns.spb.ru>
Index: linux-2.6.14/drivers/char/mxser.c =================================================================== --- linux-2.6.14.orig/drivers/char/mxser.c 2005-10-31 12:10:11.000000000 +0300 +++ linux-2.6.14/drivers/char/mxser.c 2005-10-31 12:10:47.000000000 +0300 @@ -494,14 +494,18 @@ 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_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 @@ } #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 @@ //todo: release io, vector } } - return -1; + return retval; } - return (0); + return 0; } static void mxser_do_softint(void *private_) | |