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Subject: media: em28xx: Fix possible memory leak of em28xx struct Author: Igor Matheus Andrade Torrente <[email protected]> Date: Tue May 4 20:32:49 2021 +0200 The em28xx struct kref isn't being decreased after an error in the em28xx_ir_init, leading to a possible memory leak. A kref_put and em28xx_shutdown_buttons is added to the error handler code. Signed-off-by: Igor Matheus Andrade Torrente <[email protected]> Signed-off-by: Hans Verkuil <[email protected]> Signed-off-by: Mauro Carvalho Chehab <[email protected]> drivers/media/usb/em28xx/em28xx-input.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) --- diff --git a/drivers/media/usb/em28xx/em28xx-input.c b/drivers/media/usb/em28xx/em28xx-input.c index 5aa15a7a49de..59529cbf9cd0 100644 --- a/drivers/media/usb/em28xx/em28xx-input.c +++ b/drivers/media/usb/em28xx/em28xx-input.c @@ -720,7 +720,8 @@ static int em28xx_ir_init(struct em28xx *dev) dev->board.has_ir_i2c = 0; dev_warn(&dev->intf->dev, "No i2c IR remote control device found.\n"); - return -ENODEV; + err = -ENODEV; + goto ref_put; } } @@ -735,7 +736,7 @@ static int em28xx_ir_init(struct em28xx *dev) ir = kzalloc(sizeof(*ir), GFP_KERNEL); if (!ir) - return -ENOMEM; + goto ref_put; rc = rc_allocate_device(RC_DRIVER_SCANCODE); if (!rc) goto error; @@ -839,6 +840,9 @@ error: dev->ir = NULL; rc_free_device(rc); kfree(ir); +ref_put: + em28xx_shutdown_buttons(dev); + kref_put(&dev->ref, em28xx_free_device); return err; } _______________________________________________ linuxtv-commits mailing list [email protected] https://www.linuxtv.org/cgi-bin/mailman/listinfo/linuxtv-commits
