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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-08 22:10:57 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2012-01-08 22:10:57 +0100 |
| commit | eb59c505f8a5906ad2e053d14fab50eb8574fd6f (patch) | |
| tree | c6e875adc12b481b916e847e8f80b8881a0fb02c /drivers/base/firmware_class.c | |
| parent | Merge git://git.kernel.org/pub/scm/linux/kernel/git/steve/gfs2-3.0-nmw (diff) | |
| parent | Merge branch 'pm-sleep' into pm-for-linus (diff) | |
| download | linux-eb59c505f8a5906ad2e053d14fab50eb8574fd6f.tar.xz linux-eb59c505f8a5906ad2e053d14fab50eb8574fd6f.zip | |
Merge branch 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
* 'pm-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm: (76 commits)
PM / Hibernate: Implement compat_ioctl for /dev/snapshot
PM / Freezer: fix return value of freezable_schedule_timeout_killable()
PM / shmobile: Allow the A4R domain to be turned off at run time
PM / input / touchscreen: Make st1232 use device PM QoS constraints
PM / QoS: Introduce dev_pm_qos_add_ancestor_request()
PM / shmobile: Remove the stay_on flag from SH7372's PM domains
PM / shmobile: Don't include SH7372's INTCS in syscore suspend/resume
PM / shmobile: Add support for the sh7372 A4S power domain / sleep mode
PM: Drop generic_subsys_pm_ops
PM / Sleep: Remove forward-only callbacks from AMBA bus type
PM / Sleep: Remove forward-only callbacks from platform bus type
PM: Run the driver callback directly if the subsystem one is not there
PM / Sleep: Make pm_op() and pm_noirq_op() return callback pointers
PM/Devfreq: Add Exynos4-bus device DVFS driver for Exynos4210/4212/4412.
PM / Sleep: Merge internal functions in generic_ops.c
PM / Sleep: Simplify generic system suspend callbacks
PM / Hibernate: Remove deprecated hibernation snapshot ioctls
PM / Sleep: Fix freezer failures due to racy usermodehelper_is_disabled()
ARM: S3C64XX: Implement basic power domain support
PM / shmobile: Use common always on power domain governor
...
Fix up trivial conflict in fs/xfs/xfs_buf.c due to removal of unused
XBT_FORCE_SLEEP bit
Diffstat (limited to 'drivers/base/firmware_class.c')
| -rw-r--r-- | drivers/base/firmware_class.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/base/firmware_class.c b/drivers/base/firmware_class.c index 3719c94be19c..26ab358dac62 100644 --- a/drivers/base/firmware_class.c +++ b/drivers/base/firmware_class.c @@ -534,6 +534,8 @@ static int _request_firmware(const struct firmware **firmware_p, return 0; } + read_lock_usermodehelper(); + if (WARN_ON(usermodehelper_is_disabled())) { dev_err(device, "firmware: %s will not be loaded\n", name); retval = -EBUSY; @@ -572,6 +574,8 @@ static int _request_firmware(const struct firmware **firmware_p, fw_destroy_instance(fw_priv); out: + read_unlock_usermodehelper(); + if (retval) { release_firmware(firmware); *firmware_p = NULL; |