Re: [PATCH] tpm: fix parameter order in tpm_getcap()

From: kbuild test robot
Date: Wed Feb 01 2017 - 14:38:15 EST


Hi Jarkko,

[auto build test WARNING on next-20170201]
[cannot apply to char-misc/char-misc-testing v4.9-rc8 v4.9-rc7 v4.9-rc6 v4.10-rc6]
[if your patch is applied to the wrong git tree, please drop us a note to help improve the system]

url: https://github.com/0day-ci/linux/commits/Jarkko-Sakkinen/tpm-fix-parameter-order-in-tpm_getcap/20170202-025932
config: x86_64-allyesdebian (attached as .config)
compiler: gcc-6 (Debian 6.2.0-3) 6.2.0 20160901
reproduce:
# save the attached .config to linux build tree
make ARCH=x86_64

All warnings (new ones prefixed by >>):

drivers/char/tpm/tpm_tis_core.c: In function 'tpm_tis_gen_interrupt':
>> drivers/char/tpm/tpm_tis_core.c:561:59: warning: passing argument 4 of 'tpm_getcap' makes integer from pointer without a cast [-Wint-conversion]
return tpm_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, desc,
^~~~
In file included from drivers/char/tpm/tpm_tis_core.c:31:0:
drivers/char/tpm/tpm.h:501:9: note: expected 'size_t {aka long unsigned int}' but argument is of type 'const char *'
ssize_t tpm_getcap(struct tpm_chip *chip, u32 subcap_id, cap_t *cap,
^~~~~~~~~~

vim +/tpm_getcap +561 drivers/char/tpm/tpm_tis_core.c

41a5e1cf1 Christophe Ricard 2016-05-19 545 if (rc < 0)
41a5e1cf1 Christophe Ricard 2016-05-19 546 return IRQ_NONE;
41a5e1cf1 Christophe Ricard 2016-05-19 547
41a5e1cf1 Christophe Ricard 2016-05-19 548 tpm_tis_read32(priv, TPM_INT_STATUS(priv->locality), &interrupt);
41a5e1cf1 Christophe Ricard 2016-05-19 549 return IRQ_HANDLED;
41a5e1cf1 Christophe Ricard 2016-05-19 550 }
41a5e1cf1 Christophe Ricard 2016-05-19 551
eb5854e76 Jarkko Sakkinen 2016-06-12 552 static int tpm_tis_gen_interrupt(struct tpm_chip *chip)
eb5854e76 Jarkko Sakkinen 2016-06-12 553 {
eb5854e76 Jarkko Sakkinen 2016-06-12 554 const char *desc = "attempting to generate an interrupt";
eb5854e76 Jarkko Sakkinen 2016-06-12 555 u32 cap2;
eb5854e76 Jarkko Sakkinen 2016-06-12 556 cap_t cap;
eb5854e76 Jarkko Sakkinen 2016-06-12 557
eb5854e76 Jarkko Sakkinen 2016-06-12 558 if (chip->flags & TPM_CHIP_FLAG_TPM2)
eb5854e76 Jarkko Sakkinen 2016-06-12 559 return tpm2_get_tpm_pt(chip, 0x100, &cap2, desc);
eb5854e76 Jarkko Sakkinen 2016-06-12 560 else
c659af78e Stefan Berger 2017-01-19 @561 return tpm_getcap(chip, TPM_CAP_PROP_TIS_TIMEOUT, &cap, desc,
c659af78e Stefan Berger 2017-01-19 562 0);
eb5854e76 Jarkko Sakkinen 2016-06-12 563 }
eb5854e76 Jarkko Sakkinen 2016-06-12 564
41a5e1cf1 Christophe Ricard 2016-05-19 565 /* Register the IRQ and issue a command that will cause an interrupt. If an
41a5e1cf1 Christophe Ricard 2016-05-19 566 * irq is seen then leave the chip setup for IRQ operation, otherwise reverse
41a5e1cf1 Christophe Ricard 2016-05-19 567 * everything and leave in polling mode. Returns 0 on success.
41a5e1cf1 Christophe Ricard 2016-05-19 568 */
41a5e1cf1 Christophe Ricard 2016-05-19 569 static int tpm_tis_probe_irq_single(struct tpm_chip *chip, u32 intmask,

:::::: The code at line 561 was first introduced by commit
:::::: c659af78eb7b7d7be40f23d9d97bde58eb1368ac tpm: Check size of response before accessing data

:::::: TO: Stefan Berger <stefanb@xxxxxxxxxxxxxxxxxx>
:::::: CC: Jarkko Sakkinen <jarkko.sakkinen@xxxxxxxxxxxxxxx>

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