[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>
diff --git a/drivers/char/tpm/tpm.c b/drivers/char/tpm/tpm.c
index a082a2e..6ad2d3b 100644
--- a/drivers/char/tpm/tpm.c
+++ b/drivers/char/tpm/tpm.c
@@ -1153,7 +1153,14 @@
spin_unlock(&driver_lock);
- sysfs_create_group(&dev->kobj, chip->vendor.attr_group);
+ if (sysfs_create_group(&dev->kobj, chip->vendor.attr_group)) {
+ list_del(&chip->list);
+ put_device(dev);
+ clear_bit(chip->dev_num, dev_mask);
+ kfree(chip);
+ kfree(devname);
+ return NULL;
+ }
chip->bios_dir = tpm_bios_log_setup(devname);