From: Todd Poynor <toddpoynor@gmail.com>
To: Rob Springer <rspringer@google.com>,
John Joseph <jnjoseph@google.com>,
Ben Chan <benchan@chromium.org>,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Zhongze Hu <frankhu@chromium.org>, Simon Que <sque@chromium.org>,
Dmitry Torokhov <dtor@chromium.org>,
Guenter Roeck <groeck@chromium.org>,
devel@driverdev.osuosl.org, linux-kernel@vger.kernel.org,
Todd Poynor <toddpoynor@google.com>
Subject: [PATCH 07/32] staging: gasket: Return EBUSY on mapping create when already in use
Date: Mon, 16 Jul 2018 19:09:01 -0700 [thread overview]
Message-ID: <20180717020926.176408-8-toddpoynor@gmail.com> (raw)
In-Reply-To: <20180717020926.176408-1-toddpoynor@gmail.com>
From: Todd Poynor <toddpoynor@google.com>
gasket_sysfs_create_mapping() return EBUSY if sysfs mapping already in
use.
Signed-off-by: Zhongze Hu <frankhu@chromium.org>
Signed-off-by: Todd Poynor <toddpoynor@google.com>
---
drivers/staging/gasket/gasket_sysfs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/staging/gasket/gasket_sysfs.c b/drivers/staging/gasket/gasket_sysfs.c
index e3d770630961b..dd4d3aaa57e2f 100644
--- a/drivers/staging/gasket/gasket_sysfs.c
+++ b/drivers/staging/gasket/gasket_sysfs.c
@@ -194,7 +194,7 @@ int gasket_sysfs_create_mapping(
"0x%p.", device);
put_mapping(mapping);
mutex_unlock(&function_mutex);
- return -EINVAL;
+ return -EBUSY;
}
/* Find the first empty entry in the array. */
--
2.18.0.203.gfac676dfb9-goog
next prev parent reply other threads:[~2018-07-17 2:09 UTC|newest]
Thread overview: 54+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-07-17 2:08 [PATCH 00/32 v2] staging: gasket: sundry fixes and fixups Todd Poynor
2018-07-17 2:08 ` [PATCH 01/32] staging: gasket: remove X86 Kconfig restriction Todd Poynor
2018-07-19 9:25 ` Greg Kroah-Hartman
2018-07-17 2:08 ` [PATCH 02/32] staging: gasket: fix typo in apex_enter_reset Todd Poynor
2018-07-17 2:08 ` [PATCH 03/32] staging: gasket: fix typo in gasket_core.h comments Todd Poynor
2018-07-17 2:08 ` [PATCH 04/32] staging: gasket: whitespace fix in gasket_page_table_init Todd Poynor
2018-07-17 2:08 ` [PATCH 05/32] staging: gasket: remove driver registration on class creation failure Todd Poynor
2018-07-17 2:09 ` [PATCH 06/32] staging: gasket: hold mutex on gasket driver unregistration Todd Poynor
2018-07-17 2:09 ` Todd Poynor [this message]
2018-07-17 2:09 ` [PATCH 08/32] staging: gasket: Remove stale pointers on error allocating attr array Todd Poynor
2018-07-17 2:09 ` [PATCH 09/32] staging: gasket: convert gasket_mmap_has_permissions to bool return Todd Poynor
2018-07-17 2:09 ` [PATCH 10/32] staging: gasket: fix gasket_wait_with_reschedule timeout return code Todd Poynor
2018-07-17 2:09 ` [PATCH 11/32] staging: gasket: gasket_wait_with_reschedule use msleep Todd Poynor
2018-07-17 10:08 ` Dan Carpenter
2018-07-17 2:09 ` [PATCH 12/32] staging: gasket: gasket_wait_with_reschedule return when condition hit Todd Poynor
2018-07-17 10:13 ` Dan Carpenter
2018-07-17 11:12 ` Dan Carpenter
2018-07-17 19:53 ` Todd Poynor
2018-07-17 19:52 ` Todd Poynor
2018-07-17 2:09 ` [PATCH 13/32] staging: gasket: gasket_wait_with_reschedule use 32 bits of retry count Todd Poynor
2018-07-17 2:09 ` [PATCH 14/32] staging: gasket: bail out of reset sequence on device callback error Todd Poynor
2018-07-17 2:09 ` [PATCH 15/32] staging: gasket: drop gasket_cdev_get_info, use container_of Todd Poynor
2018-07-17 2:09 ` [PATCH 16/32] staging: gasket: always allow root open for write Todd Poynor
2018-07-17 10:22 ` Dan Carpenter
2018-07-17 18:50 ` Joe Perches
2018-07-17 19:04 ` Todd Poynor
2018-07-17 2:09 ` [PATCH 17/32] staging: gasket: annotate ioctl arg with __user Todd Poynor
2018-07-17 10:26 ` Dan Carpenter
2018-07-17 18:20 ` Todd Poynor
2018-07-17 2:09 ` [PATCH 18/32] staging: gasket: gasket_enable_dev remove unnecessary variable Todd Poynor
2018-07-17 2:09 ` [PATCH 19/32] staging: gasket: remove code for no physical device Todd Poynor
2018-07-17 2:09 ` [PATCH 20/32] staging: gasket: fix class create bug handling Todd Poynor
2018-07-17 2:09 ` [PATCH 21/32] staging: gasket: remove unnecessary code in coherent allocator Todd Poynor
2018-07-17 2:09 ` [PATCH 22/32] staging: gasket: don't treat no device reset callback as an error Todd Poynor
2018-07-17 2:09 ` [PATCH 23/32] staging: gasket: gasket_mmap return error instead of valid BAR index Todd Poynor
2018-07-17 2:09 ` [PATCH 24/32] staging: gasket: apex_clock_gating simplify logic, reduce indentation Todd Poynor
2018-07-17 2:09 ` [PATCH 25/32] staging: gasket: apex_ioctl_check_permissions use bool return type Todd Poynor
2018-07-17 2:09 ` [PATCH 26/32] staging: gasket: gasket page table functions " Todd Poynor
2018-07-17 2:09 ` [PATCH 27/32] staging: gasket: remove else clause after return in if clause Todd Poynor
2018-07-17 10:37 ` Dan Carpenter
2018-07-17 19:23 ` Todd Poynor
2018-07-17 2:09 ` [PATCH 28/32] staging: gasket: fix comment syntax in apex.h Todd Poynor
2018-07-17 2:09 ` [PATCH 29/32] staging: gasket: remove unnecessary parens in page table code Todd Poynor
2018-07-17 2:09 ` [PATCH 30/32] staging: gasket: gasket_mmap use PAGE_MASK Todd Poynor
2018-07-17 10:44 ` Dan Carpenter
2018-07-17 2:09 ` [PATCH 31/32] staging: gasket: remove extra parens in gasket_write_mappable_regions Todd Poynor
2018-07-17 2:09 ` [PATCH 32/32] staging: gasket: fix multi-line comment syntax in gasket_core.h Todd Poynor
2018-07-17 11:16 ` [PATCH 00/32 v2] staging: gasket: sundry fixes and fixups Greg Kroah-Hartman
2018-07-17 11:25 ` Todd Poynor
2018-07-17 11:46 ` Todd Poynor
2018-07-17 11:53 ` Greg KH
2018-07-17 11:16 ` Greg Kroah-Hartman
2018-07-17 11:27 ` Todd Poynor
2018-07-17 20:56 [PATCH 00/32 v3] " Todd Poynor
2018-07-17 20:56 ` [PATCH 07/32] staging: gasket: Return EBUSY on mapping create when already in use Todd Poynor
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