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| author | Wang Weiyang <wangweiyang2@huawei.com> | 2022-03-28 19:58:44 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2022-04-15 08:42:21 +0200 |
| commit | 507b05063d1b7a1fcb9f7d7c47586fc4f3508f98 (patch) | |
| tree | c65822398998f7b851604932b239db6d46346ea7 | |
| parent | 9c3a431a486d0c494a68941045885333a5bc1975 (diff) | |
| download | linux-stable-507b05063d1b7a1fcb9f7d7c47586fc4f3508f98.tar.gz linux-stable-507b05063d1b7a1fcb9f7d7c47586fc4f3508f98.tar.bz2 linux-stable-507b05063d1b7a1fcb9f7d7c47586fc4f3508f98.zip | |
tty: goldfish: Use tty_port_destroy() to destroy port
In goldfish_tty_probe(), the port initialized through tty_port_init()
should be destroyed in error paths.In goldfish_tty_remove(), qtty->port
also should be destroyed or else might leak resources.
Fix the above by calling tty_port_destroy().
Fixes: 666b7793d4bf ("goldfish: tty driver")
Reviewed-by: Jiri Slaby <jirislaby@kernel.org>
Signed-off-by: Wang Weiyang <wangweiyang2@huawei.com>
Link: https://lore.kernel.org/r/20220328115844.86032-1-wangweiyang2@huawei.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -rw-r--r-- | drivers/tty/goldfish.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/tty/goldfish.c b/drivers/tty/goldfish.c index ad13532e92fe..9e1168c39e77 100644 --- a/drivers/tty/goldfish.c +++ b/drivers/tty/goldfish.c @@ -405,6 +405,7 @@ static int goldfish_tty_probe(struct platform_device *pdev) err_tty_register_device_failed: free_irq(irq, qtty); err_dec_line_count: + tty_port_destroy(&qtty->port); goldfish_tty_current_line_count--; if (goldfish_tty_current_line_count == 0) goldfish_tty_delete_driver(); @@ -426,6 +427,7 @@ static int goldfish_tty_remove(struct platform_device *pdev) iounmap(qtty->base); qtty->base = NULL; free_irq(qtty->irq, pdev); + tty_port_destroy(&qtty->port); goldfish_tty_current_line_count--; if (goldfish_tty_current_line_count == 0) goldfish_tty_delete_driver(); |