Hello Tadeusz Struk,
The patch a672a9dc872e: "crypto: qat - Intel(R) QAT transport code"
from Jun 5, 2014, leads to the following static checker warning:
drivers/crypto/qat/qat_common/adf_transport.c:412 adf_init_bank()
error: potentially using uninitialized 'coalesc_enabled'.
drivers/crypto/qat/qat_common/adf_transport.c
407 /* Enable IRQ coalescing always. This will allow to use
408 * the optimised flag and coalesc register.
409 * If it is disabled in the config file just use min time value */
410 if (adf_get_cfg_int(accel_dev, "Accelerator0",
411 ADF_ETRMGR_COALESCING_ENABLED_FORMAT,
412 bank_num, &coalesc_enabled) && coalesc_enabled)
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
This condition is reversed, so it only enables coalescing on error.
Probably this feature has not been tested yet.
413 adf_enable_coalesc(bank, "Accelerator0", bank_num);
414 else
415 bank->irq_coalesc_timer = ADF_COALESCING_MIN_TIME;
416
regards,
dan carpenter
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