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tg3: Fix NVRAM selftest

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The tg3 NVRAM selftest actually fails when validating the checksum of
the legacy NVRAM format.  However, the test still reported success
because the last update of the return code was a success from the NVRAM
reads.  This patch fixes the code so that the error return code defaults
to a failure status.  Then the patch fixes the reason why the checsum
validation failed.

Signed-off-by: Matt Carlson <mcarlson@broadcom.com>
Reviewed-by: Michael Chan <mchan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Matt Carlson 2011-03-09 16:58:20 +00:00 committed by David S. Miller
parent bb18bb942a
commit 01c3a3920f
1 changed files with 4 additions and 2 deletions
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6
drivers/net/tg3.c
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@ -10487,14 +10487,16 @@ static int tg3_test_nvram(struct tg3 *tp)
goto out; goto out;
} }
err = -EIO;
/* Bootstrap checksum at offset 0x10 */ /* Bootstrap checksum at offset 0x10 */
csum = calc_crc((unsigned char *) buf, 0x10); csum = calc_crc((unsigned char *) buf, 0x10);
if (csum != be32_to_cpu(buf[0x10/4])) if (csum != le32_to_cpu(buf[0x10/4]))
goto out; goto out;
/* Manufacturing block starts at offset 0x74, checksum at 0xfc */ /* Manufacturing block starts at offset 0x74, checksum at 0xfc */
csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88); csum = calc_crc((unsigned char *) &buf[0x74/4], 0x88);
if (csum != be32_to_cpu(buf[0xfc/4])) if (csum != le32_to_cpu(buf[0xfc/4]))
goto out; goto out;
err = 0; err = 0;