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@@ -66,6 +66,9 @@ module_param(timeout, uint, S_IRUGO);
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MODULE_PARM_DESC(timeout, "Transfer Timeout in msec (default: 3000), "
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"Pass -1 for infinite timeout");
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+/* Maximum amount of mismatched bytes in buffer to print */
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+#define MAX_ERROR_COUNT 32
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+
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/*
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* Initialization patterns. All bytes in the source buffer has bit 7
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* set, all bytes in the destination buffer has bit 7 cleared.
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@@ -249,7 +252,7 @@ static unsigned int dmatest_verify(u8 **bufs, unsigned int start,
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actual = buf[i];
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expected = pattern | (~counter & PATTERN_COUNT_MASK);
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if (actual != expected) {
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- if (error_count < 32)
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+ if (error_count < MAX_ERROR_COUNT)
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dmatest_mismatch(actual, pattern, i,
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counter, is_srcbuf);
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error_count++;
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@@ -258,9 +261,9 @@ static unsigned int dmatest_verify(u8 **bufs, unsigned int start,
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}
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}
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- if (error_count > 32)
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+ if (error_count > MAX_ERROR_COUNT)
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pr_warning("%s: %u errors suppressed\n",
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- current->comm, error_count - 32);
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+ current->comm, error_count - MAX_ERROR_COUNT);
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return error_count;
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}
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