[PATCH] tpm: fix error handling
- handle sysfs error - handle driver model errors - de-obfuscate platform_device_register_simple() call, which included an assignment in between two function calls, in the same C statement. Signed-off-by: Jeff Garzik <jeff@garzik.org> Acked-by: Kylene Hall <kjhall@us.ibm.com> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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@ -1153,7 +1153,14 @@ struct tpm_chip *tpm_register_hardware(struct device *dev, const struct tpm_vend
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spin_unlock(&driver_lock);
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spin_unlock(&driver_lock);
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sysfs_create_group(&dev->kobj, chip->vendor.attr_group);
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if (sysfs_create_group(&dev->kobj, chip->vendor.attr_group)) {
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list_del(&chip->list);
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put_device(dev);
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clear_bit(chip->dev_num, dev_mask);
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kfree(chip);
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kfree(devname);
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return NULL;
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}
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chip->bios_dir = tpm_bios_log_setup(devname);
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chip->bios_dir = tpm_bios_log_setup(devname);
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@ -184,7 +184,9 @@ static int __init init_atmel(void)
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unsigned long base;
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unsigned long base;
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struct tpm_chip *chip;
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struct tpm_chip *chip;
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driver_register(&atml_drv);
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rc = driver_register(&atml_drv);
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if (rc)
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return rc;
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if ((iobase = atmel_get_base_addr(&base, ®ion_size)) == NULL) {
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if ((iobase = atmel_get_base_addr(&base, ®ion_size)) == NULL) {
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rc = -ENODEV;
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rc = -ENODEV;
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@ -195,10 +197,8 @@ static int __init init_atmel(void)
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(atmel_request_region
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(atmel_request_region
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(tpm_atmel.base, region_size, "tpm_atmel0") == NULL) ? 0 : 1;
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(tpm_atmel.base, region_size, "tpm_atmel0") == NULL) ? 0 : 1;
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pdev = platform_device_register_simple("tpm_atmel", -1, NULL, 0);
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if (IS_ERR
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if (IS_ERR(pdev)) {
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(pdev =
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platform_device_register_simple("tpm_atmel", -1, NULL, 0))) {
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rc = PTR_ERR(pdev);
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rc = PTR_ERR(pdev);
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goto err_rel_reg;
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goto err_rel_reg;
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}
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}
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@ -284,7 +284,7 @@ static struct device_driver nsc_drv = {
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static int __init init_nsc(void)
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static int __init init_nsc(void)
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{
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{
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int rc = 0;
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int rc = 0;
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int lo, hi;
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int lo, hi, err;
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int nscAddrBase = TPM_ADDR;
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int nscAddrBase = TPM_ADDR;
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struct tpm_chip *chip;
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struct tpm_chip *chip;
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unsigned long base;
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unsigned long base;
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@ -297,7 +297,9 @@ static int __init init_nsc(void)
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return -ENODEV;
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return -ENODEV;
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}
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}
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driver_register(&nsc_drv);
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err = driver_register(&nsc_drv);
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if (err)
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return err;
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hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
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hi = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_HI);
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lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);
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lo = tpm_read_index(nscAddrBase, TPM_NSC_BASE0_LO);
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