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[SCSI] qla2xxx: Don't depend on mailbox return values while enabling FCE tracing.
Recent firmwares no longer return the 'number of buffers' in mailbox6. The original code may result in a potential panic during a FW-dump process due to the driver misinterpreting the size of the allocated buffer. Signed-off-by: Andrew Vasquez <andrew.vasquez@qlogic.com> Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
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@ -2508,7 +2508,7 @@ qla2x00_enable_fce_trace(scsi_qla_host_t *ha, dma_addr_t fce_dma,
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if (mb)
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memcpy(mb, mcp->mb, 8 * sizeof(*mb));
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if (dwords)
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*dwords = mcp->mb[6];
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*dwords = buffers;
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}
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return rval;
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