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Date: Fri, 13 Jul 2018 22:58:07 -0700 From: Todd Poynor <toddpoynor@...il.com> To: Rob Springer <rspringer@...gle.com>, John Joseph <jnjoseph@...gle.com>, Ben Chan <benchan@...omium.org>, Greg Kroah-Hartman <gregkh@...uxfoundation.org> Cc: Zhongze Hu <frankhu@...omium.org>, Simon Que <sque@...omium.org>, Dmitry Torokhov <dtor@...omium.org>, Guenter Roeck <groeck@...omium.org>, devel@...verdev.osuosl.org, linux-kernel@...r.kernel.org, Todd Poynor <toddpoynor@...gle.com> Subject: [PATCH 09/18] staging: gasket: bail out of reset sequence on device callback error From: Todd Poynor <toddpoynor@...gle.com> If device reset callback returns an error, error out at the gasket level. Reported-by: Dmitry Torokhov <dtor@...omium.org> Signed-off-by: Zhongze Hu <frankhu@...omium.org> Signed-off-by: Todd Poynor <toddpoynor@...gle.com> --- drivers/staging/gasket/gasket_core.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/drivers/staging/gasket/gasket_core.c b/drivers/staging/gasket/gasket_core.c index 6316e6c800ba..ffd6ce801313 100644 --- a/drivers/staging/gasket/gasket_core.c +++ b/drivers/staging/gasket/gasket_core.c @@ -1879,9 +1879,11 @@ int gasket_reset_nolock(struct gasket_dev *gasket_dev, uint reset_type) /* Perform a device reset of the requested type. */ ret = driver_desc->device_reset_cb(gasket_dev, reset_type); - if (ret) + if (ret) { gasket_log_error( gasket_dev, "Device reset cb returned %d.", ret); + return ret; + } /* Reinitialize the page tables and interrupt framework. */ for (i = 0; i < driver_desc->num_page_tables; ++i) -- 2.18.0.203.gfac676dfb9-goog
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