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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-04 21:19:44 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2017-05-04 21:19:44 +0200 |
| commit | 8d5e72dfdf0fa29a21143fd72746c6f43295ce9f (patch) | |
| tree | cd51765801a1ad27a6db13809e00085b2677d351 /drivers/misc | |
| parent | Merge tag 'gpio-v4.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/lin... (diff) | |
| parent | scsi: qla4xxx: fix spelling mistake: "Tempalate" -> "Template" (diff) | |
| download | linux-8d5e72dfdf0fa29a21143fd72746c6f43295ce9f.tar.xz linux-8d5e72dfdf0fa29a21143fd72746c6f43295ce9f.zip | |
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI updates from James Bottomley:
"This update includes the usual round of major driver updates
(hisi_sas, ufs, fnic, cxlflash, be2iscsi, ipr, stex). There's also the
usual amount of cosmetic and spelling stuff"
* tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi: (155 commits)
scsi: qla4xxx: fix spelling mistake: "Tempalate" -> "Template"
scsi: stex: make S6flag static
scsi: mac_esp: fix to pass correct device identity to free_irq()
scsi: aacraid: pci_alloc_consistent() failures on ARM64
scsi: ufs: make ufshcd_get_lists_status() register operation obvious
scsi: ufs: use MASK_EE_STATUS
scsi: mac_esp: Replace bogus memory barrier with spinlock
scsi: fcoe: make fcoe_e_d_tov and fcoe_r_a_tov static
scsi: sd_zbc: Do not write lock zones for reset
scsi: sd_zbc: Remove superfluous assignments
scsi: sd: sd_zbc: Rename sd_zbc_setup_write_cmnd
scsi: Improve scsi_get_sense_info_fld
scsi: sd: Cleanup sd_done sense data handling
scsi: sd: Improve sd_completed_bytes
scsi: sd: Fix function descriptions
scsi: mpt3sas: remove redundant wmb
scsi: mpt: Move scsi_remove_host() out of mptscsih_remove_host()
scsi: sg: reset 'res_in_use' after unlinking reserved array
scsi: mvumi: remove code handling zero scsi_sg_count(scmd) case
scsi: fusion: fix spelling mistake: "Persistancy" -> "Persistency"
...
Diffstat (limited to 'drivers/misc')
| -rw-r--r-- | drivers/misc/enclosure.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/misc/enclosure.c b/drivers/misc/enclosure.c index 65fed7146e9b..d3fe3ea902d4 100644 --- a/drivers/misc/enclosure.c +++ b/drivers/misc/enclosure.c @@ -148,7 +148,7 @@ enclosure_register(struct device *dev, const char *name, int components, for (i = 0; i < components; i++) { edev->component[i].number = -1; edev->component[i].slot = -1; - edev->component[i].power_status = 1; + edev->component[i].power_status = -1; } mutex_lock(&container_list_lock); @@ -594,6 +594,11 @@ static ssize_t get_component_power_status(struct device *cdev, if (edev->cb->get_power_status) edev->cb->get_power_status(edev, ecomp); + + /* If still uninitialized, the callback failed or does not exist. */ + if (ecomp->power_status == -1) + return (edev->cb->get_power_status) ? -EIO : -ENOTTY; + return snprintf(buf, 40, "%s\n", ecomp->power_status ? "on" : "off"); } |