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Input: sidewinder - fix memory leak

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In sw_connect we leak 'buf' and 'idbuf' when we do not leave via one of
the fail* labels. This was spotted by the coverity checker.

Patch is compile tested only due to lack of hardware.

Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Signed-off-by: Dmitry Torokhov <dtor@mail.ru>
This commit is contained in:
Jesper Juhl 2006-05-29 23:28:05 -04:00 committed by Dmitry Torokhov
parent f39b25bed3
commit 7363cfc866
1 changed files with 6 additions and 5 deletions
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11
drivers/input/joystick/sidewinder.c
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@ -589,7 +589,7 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
struct sw *sw; struct sw *sw;
struct input_dev *input_dev; struct input_dev *input_dev;
int i, j, k, l; int i, j, k, l;
int err; int err = 0;
unsigned char *buf = NULL; /* [SW_LENGTH] */ unsigned char *buf = NULL; /* [SW_LENGTH] */
unsigned char *idbuf = NULL; /* [SW_LENGTH] */ unsigned char *idbuf = NULL; /* [SW_LENGTH] */
unsigned char m = 1; unsigned char m = 1;
@ -776,7 +776,10 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
goto fail4; goto fail4;
} }
return 0; out: kfree(buf);
kfree(idbuf);
return err;
fail4: input_free_device(sw->dev[i]); fail4: input_free_device(sw->dev[i]);
fail3: while (--i >= 0) fail3: while (--i >= 0)
@ -784,9 +787,7 @@ static int sw_connect(struct gameport *gameport, struct gameport_driver *drv)
fail2: gameport_close(gameport); fail2: gameport_close(gameport);
fail1: gameport_set_drvdata(gameport, NULL); fail1: gameport_set_drvdata(gameport, NULL);
kfree(sw); kfree(sw);
kfree(buf); goto out;
kfree(idbuf);
return err;
} }
static void sw_disconnect(struct gameport *gameport) static void sw_disconnect(struct gameport *gameport)