Message ID | 20170704135521.9696-1-Alexander.Steffen@infineon.com |
---|---|
State | New |
Headers | show
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See http://spamassassin.org/tag/ for more details. -1.5 SPF_CHECK_PASS SPF reports sender host as permitted sender for sender-domain -0.0 SPF_PASS SPF: sender matches SPF record -0.0 RP_MATCHES_RCVD Envelope sender domain matches handover relay domain -0.1 DKIM_VALID_AU Message has a valid DKIM or DK signature from author's domain 0.1 DKIM_SIGNED Message has a DKIM or DK signature, not necessarily valid -0.1 DKIM_VALID Message has at least one valid DKIM or DK signature X-Headers-End: 1dSOTp-0002VP-66 Subject: [tpmdd-devel] [PATCH] tpm-dev-common: Use sizeof instead of constant X-BeenThere: tpmdd-devel@lists.sourceforge.net X-Mailman-Version: 2.1.21 Precedence: list List-Id: Tpm Device Driver maintainance <tpmdd-devel.lists.sourceforge.net> List-Unsubscribe: <https://lists.sourceforge.net/lists/options/tpmdd-devel>, <mailto:tpmdd-devel-request@lists.sourceforge.net?subject=unsubscribe> List-Archive: <http://sourceforge.net/mailarchive/forum.php?forum_name=tpmdd-devel> List-Post: <mailto:tpmdd-devel@lists.sourceforge.net> List-Help: <mailto:tpmdd-devel-request@lists.sourceforge.net?subject=help> List-Subscribe: <https://lists.sourceforge.net/lists/listinfo/tpmdd-devel>, <mailto:tpmdd-devel-request@lists.sourceforge.net?subject=subscribe> Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: tpmdd-devel-bounces@lists.sourceforge.net |
diff --git a/drivers/char/tpm/tpm-dev-common.c b/drivers/char/tpm/tpm-dev-common.c index 610638a..192740e 100644 --- a/drivers/char/tpm/tpm-dev-common.c +++ b/drivers/char/tpm/tpm-dev-common.c @@ -99,7 +99,7 @@ ssize_t tpm_common_write(struct file *file, const char __user *buf, if (atomic_read(&priv->data_pending) != 0) return -EBUSY; - if (in_size > TPM_BUFSIZE) + if (in_size > sizeof(priv->data_buffer)) return -E2BIG; mutex_lock(&priv->buffer_mutex);
This avoids accidentially changing the structure definition, without adopting this size check. Signed-off-by: Alexander Steffen <Alexander.Steffen@infineon.com> --- drivers/char/tpm/tpm-dev-common.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)