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Commit 74b5c07a authored by Andy Shevchenko's avatar Andy Shevchenko Committed by Vinod Koul
Browse files

dmatest: define MAX_ERROR_COUNT constant 



Its meaning is to limit amount of error messages to be printed out when buffer
mismatch is occured.

Signed-off-by: default avatarAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: default avatarVinod Koul <vinod.koul@intel.com>
parent 3e5ccd86

drivers/dma/dmatest.c

+6 −3
Original line number Diff line number Diff line
@@ -66,6 +66,9 @@ module_param(timeout, uint, S_IRUGO); 
MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), "

		 "Pass -1 for infinite timeout");



/* Maximum amount of mismatched bytes in buffer to print */

#define MAX_ERROR_COUNT		32



/*

 * Initialization patterns. All bytes in the source buffer has bit 7

 * set, all bytes in the destination buffer has bit 7 cleared.
@@ -249,7 +252,7 @@ static unsigned int dmatest_verify(u8 **bufs, unsigned int start, 
			actual = buf[i];

			expected = pattern | (~counter & PATTERN_COUNT_MASK);

			if (actual != expected) {

				if (error_count < 32)

				if (error_count < MAX_ERROR_COUNT)

					dmatest_mismatch(actual, pattern, i,

							 counter, is_srcbuf);

				error_count++;
@@ -258,9 +261,9 @@ static unsigned int dmatest_verify(u8 **bufs, unsigned int start, 
		}

	}



	if (error_count > 32)

	if (error_count > MAX_ERROR_COUNT)

		pr_warning("%s: %u errors suppressed\n",

			current->comm, error_count - 32);

			current->comm, error_count - MAX_ERROR_COUNT);



	return error_count;

}