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| author | David Smith <dds@google.com> | 2008-01-14 00:55:12 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2008-01-14 08:52:22 -0800 |
| commit | 2490c681ea3d7f5ac3fb876f14567bf1a9e0aa87 (patch) | |
| tree | 1e5f1e5280cacc2db866a9f08b04d52702596898 /drivers/char | |
| parent | 40d6a146629b98d8e322b6f9332b182c7cbff3df (diff) | |
| download | linux-2490c681ea3d7f5ac3fb876f14567bf1a9e0aa87.tar.gz linux-2490c681ea3d7f5ac3fb876f14567bf1a9e0aa87.tar.bz2 linux-2490c681ea3d7f5ac3fb876f14567bf1a9e0aa87.zip | |
TPM: fix suspend and resume failure
The savestate command structure was being overwritten by the result of
running the TPM_SaveState command after one run, so make it a local
variable to the function instead of a global variable that gets
overwritten.
Acked-by: Pavel Machek <pavel@ucw.cz>
Cc: Kent Yoder <shpedoikal@gmail.com>
Cc: Marcel Selhorst <tpm@selhorst.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers/char')
| -rw-r--r-- | drivers/char/tpm/tpm.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c index 39564b76d4a3..c88424a0c89b 100644 --- a/drivers/char/tpm/tpm.c +++ b/drivers/char/tpm/tpm.c @@ -1046,12 +1046,6 @@ void tpm_remove_hardware(struct device *dev) } EXPORT_SYMBOL_GPL(tpm_remove_hardware); -static u8 savestate[] = { - 0, 193, /* TPM_TAG_RQU_COMMAND */ - 0, 0, 0, 10, /* blob length (in bytes) */ - 0, 0, 0, 152 /* TPM_ORD_SaveState */ -}; - /* * We are about to suspend. Save the TPM state * so that it can be restored. @@ -1059,6 +1053,12 @@ static u8 savestate[] = { int tpm_pm_suspend(struct device *dev, pm_message_t pm_state) { struct tpm_chip *chip = dev_get_drvdata(dev); + u8 savestate[] = { + 0, 193, /* TPM_TAG_RQU_COMMAND */ + 0, 0, 0, 10, /* blob length (in bytes) */ + 0, 0, 0, 152 /* TPM_ORD_SaveState */ + }; + if (chip == NULL) return -ENODEV; |