linux-next: build warning after merge of the tpmdd tree

From: Stephen Rothwell
Date: Wed Sep 06 2017 - 22:31:41 EST


Hi Jarkko,

After merging the tpmdd tree, today's linux-next build (x86_64
allmodconfig) produced this warning:

drivers/char/tpm/tpm_tis_core.c: In function 'probe_itpm':
drivers/char/tpm/tpm_tis_core.c:469:31: warning: passing argument 2 of 'tpm_tis_send_data' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
rc = tpm_tis_send_data(chip, cmd_getticks, len);
^
drivers/char/tpm/tpm_tis_core.c:255:12: note: expected 'u8 * {aka unsigned char *}' but argument is of type 'const u8 * {aka const unsigned char *}'
static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len)
^
drivers/char/tpm/tpm_tis_core.c:477:31: warning: passing argument 2 of 'tpm_tis_send_data' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
rc = tpm_tis_send_data(chip, cmd_getticks, len);
^
drivers/char/tpm/tpm_tis_core.c:255:12: note: expected 'u8 * {aka unsigned char *}' but argument is of type 'const u8 * {aka const unsigned char *}'
static int tpm_tis_send_data(struct tpm_chip *chip, u8 *buf, size_t len)
^

Introduced by commit

5e35bd8e06b9 ("tpm_tis: make array cmd_getticks static const to shink object code size")

--
Cheers,
Stephen Rothwell