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author | Nayna Jain <nayna@linux.vnet.ibm.com> | 2016-11-14 05:00:56 -0500 |
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committer | Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com> | 2016-11-28 01:31:32 +0200 |
commit | 5efae7d6b07f37939f8f99d0983d5346f0c3e4e6 (patch) | |
tree | a3d494c00264c8a6df14d5e1f6bef92ed4b298ac /drivers/char | |
parent | ed4fdb4f5dc758e9d5bfb5582c701b08a87115a6 (diff) | |
download | linux-stable-5efae7d6b07f37939f8f99d0983d5346f0c3e4e6.tar.gz linux-stable-5efae7d6b07f37939f8f99d0983d5346f0c3e4e6.tar.bz2 linux-stable-5efae7d6b07f37939f8f99d0983d5346f0c3e4e6.zip |
tpm: cleanup of printk error messages
This patch removes the unnecessary error messages on failing to
allocate memory and replaces pr_err/printk with dev_dbg/dev_info
as applicable.
Suggested-by: Jason Gunthorpe <jgunthorpe@obsidianresearch.com>
Signed-off-by: Nayna Jain <nayna@linux.vnet.ibm.com>
Reviewed-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Tested-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Signed-off-by: Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
Diffstat (limited to 'drivers/char')
-rw-r--r-- | drivers/char/tpm/tpm_acpi.c | 16 | ||||
-rw-r--r-- | drivers/char/tpm/tpm_of.c | 29 |
2 files changed, 13 insertions, 32 deletions
diff --git a/drivers/char/tpm/tpm_acpi.c b/drivers/char/tpm/tpm_acpi.c index 04663cba3a0b..0cb43ef5f79a 100644 --- a/drivers/char/tpm/tpm_acpi.c +++ b/drivers/char/tpm/tpm_acpi.c @@ -60,11 +60,8 @@ int tpm_read_log_acpi(struct tpm_chip *chip) status = acpi_get_table(ACPI_SIG_TCPA, 1, (struct acpi_table_header **)&buff); - if (ACPI_FAILURE(status)) { - printk(KERN_ERR "%s: ERROR - Could not get TCPA table\n", - __func__); + if (ACPI_FAILURE(status)) return -EIO; - } switch(buff->platform_class) { case BIOS_SERVER: @@ -78,25 +75,20 @@ int tpm_read_log_acpi(struct tpm_chip *chip) break; } if (!len) { - printk(KERN_ERR "%s: ERROR - TCPA log area empty\n", __func__); + dev_warn(&chip->dev, "%s: TCPA log area empty\n", __func__); return -EIO; } /* malloc EventLog space */ log->bios_event_log = kmalloc(len, GFP_KERNEL); - if (!log->bios_event_log) { - printk("%s: ERROR - Not enough Memory for BIOS measurements\n", - __func__); + if (!log->bios_event_log) return -ENOMEM; - } log->bios_event_log_end = log->bios_event_log + len; virt = acpi_os_map_iomem(start, len); - if (!virt) { - printk("%s: ERROR - Unable to map memory\n", __func__); + if (!virt) goto err; - } memcpy_fromio(log->bios_event_log, virt, len); diff --git a/drivers/char/tpm/tpm_of.c b/drivers/char/tpm/tpm_of.c index 12a86dda3b69..643cc8ccb35b 100644 --- a/drivers/char/tpm/tpm_of.c +++ b/drivers/char/tpm/tpm_of.c @@ -31,40 +31,29 @@ int tpm_read_log_of(struct tpm_chip *chip) log = &chip->log; if (chip->dev.parent->of_node) np = chip->dev.parent->of_node; - if (!np) { - pr_err("%s: ERROR - IBMVTPM not supported\n", __func__); + if (!np) return -ENODEV; - } sizep = of_get_property(np, "linux,sml-size", NULL); - if (sizep == NULL) { - pr_err("%s: ERROR - SML size not found\n", __func__); - goto cleanup_eio; - } + if (sizep == NULL) + return -EIO; + if (*sizep == 0) { - pr_err("%s: ERROR - event log area empty\n", __func__); - goto cleanup_eio; + dev_warn(&chip->dev, "%s: Event log area empty\n", __func__); + return -EIO; } basep = of_get_property(np, "linux,sml-base", NULL); - if (basep == NULL) { - pr_err("%s: ERROR - SML not found\n", __func__); - goto cleanup_eio; - } + if (basep == NULL) + return -EIO; log->bios_event_log = kmalloc(*sizep, GFP_KERNEL); - if (!log->bios_event_log) { - pr_err("%s: ERROR - Not enough memory for BIOS measurements\n", - __func__); + if (!log->bios_event_log) return -ENOMEM; - } log->bios_event_log_end = log->bios_event_log + *sizep; memcpy(log->bios_event_log, __va(*basep), *sizep); return 0; - -cleanup_eio: - return -EIO; } |