PCI: pcie, aer: remove spinlock in aerdrv_errprint.c
The static buffer errmsg_buff[] is used only for building error message in fixed format, and is protected by a spinlock. This patch removes this buffer and the spinlock. Signed-off-by: Hidetoshi Seto <seto.hidetoshi@jp.fujitsu.com> Reviewed-by: Andrew Patterson <andrew.patterson@hp.com> Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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@ -152,38 +152,31 @@ static char *aer_agent_string[] = {
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"Transmitter ID"
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};
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static char *aer_get_error_source_name(int severity,
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unsigned int status,
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char errmsg_buff[])
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static void aer_print_error_source(struct aer_err_info *info)
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{
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int i;
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char *errmsg = NULL;
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for (i = 0; i < 32; i++) {
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if (!(status & (1 << i)))
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if (!(info->status & (1 << i)))
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continue;
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if (severity == AER_CORRECTABLE)
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if (info->severity == AER_CORRECTABLE)
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errmsg = aer_correctable_error_string[i];
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else
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errmsg = aer_uncorrectable_error_string[i];
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if (!errmsg) {
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sprintf(errmsg_buff, "Unknown Error Bit %2d ", i);
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errmsg = errmsg_buff;
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}
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if (errmsg)
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AER_PR(info, "%s\t:\n", errmsg);
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else
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AER_PR(info, "Unknown Error Bit %2d \t:\n", i);
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break;
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}
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return errmsg;
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}
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static DEFINE_SPINLOCK(logbuf_lock);
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static char errmsg_buff[100];
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void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
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{
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char *errmsg;
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int err_layer, agent;
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int id = ((dev->bus->number << 8) | dev->devfn);
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@ -199,12 +192,7 @@ void aer_print_error(struct pci_dev *dev, struct aer_err_info *info)
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AER_PR(info, "PCIE Bus Error type\t: %s\n",
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aer_error_layer[err_layer]);
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spin_lock(&logbuf_lock);
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errmsg = aer_get_error_source_name(info->severity,
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info->status,
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errmsg_buff);
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AER_PR(info, "%s\t:\n", errmsg);
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spin_unlock(&logbuf_lock);
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aer_print_error_source(info);
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agent = AER_GET_AGENT(info->severity, info->status);
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AER_PR(info, "%s\t\t: %04x\n", aer_agent_string[agent], id);
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