lists.openwall.net | lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC | |
Open Source and information security mailing list archives
| ||
|
Date: Mon, 15 Jun 2020 15:38:57 -0600 From: Mathieu Poirier <mathieu.poirier@...aro.org> To: ohad@...ery.com, bjorn.andersson@...aro.org Cc: linux-remoteproc@...r.kernel.org, linux-kernel@...r.kernel.org Subject: [PATCH v7 1/3] rpmsg: core: Add wildcard match for name service Adding the capability to supplement the base definition published by an rpmsg_driver with a postfix description so that it is possible for several entity to use the same service. Signed-off-by: Mathieu Poirier <mathieu.poirier@...aro.org> Acked-by: Arnaud Pouliquen <arnaud.pouliquen@...com> Acked-by: Suman Anna <s-anna@...com> --- drivers/rpmsg/rpmsg_core.c | 20 +++++++++++++++++++- 1 file changed, 19 insertions(+), 1 deletion(-) diff --git a/drivers/rpmsg/rpmsg_core.c b/drivers/rpmsg/rpmsg_core.c index a6361cad608b..5e01e8dede6b 100644 --- a/drivers/rpmsg/rpmsg_core.c +++ b/drivers/rpmsg/rpmsg_core.c @@ -399,7 +399,25 @@ ATTRIBUTE_GROUPS(rpmsg_dev); static inline int rpmsg_id_match(const struct rpmsg_device *rpdev, const struct rpmsg_device_id *id) { - return strncmp(id->name, rpdev->id.name, RPMSG_NAME_SIZE) == 0; + size_t len = min_t(size_t, strlen(id->name), RPMSG_NAME_SIZE); + + /* + * Allow for wildcard matches. For example if rpmsg_driver::id_table + * is: + * + * static struct rpmsg_device_id rpmsg_driver_sample_id_table[] = { + * { .name = "rpmsg-client-sample" }, + * { }, + * } + * + * Then it is possible to support "rpmsg-client-sample*", i.e: + * rpmsg-client-sample + * rpmsg-client-sample_instance0 + * rpmsg-client-sample_instance1 + * ... + * rpmsg-client-sample_instanceX + */ + return strncmp(id->name, rpdev->id.name, len) == 0; } /* match rpmsg channel and rpmsg driver */ -- 2.25.1
Powered by blists - more mailing lists