diff options
author | Tomas Winkler <tomas.winkler@intel.com> | 2013-07-24 13:22:59 (GMT) |
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committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2013-07-25 05:50:53 (GMT) |
commit | 8b613bb86a3d4a106c9a8f6de3d8a4c3628ea998 (patch) | |
tree | 1fedee9ea5b7f72f5db444fdbce40ba9e0cc11a9 /drivers/misc/mei | |
parent | 5290801c23231c8e192943d3beb01fdbeb536395 (diff) | |
download | linux-fsl-qoriq-8b613bb86a3d4a106c9a8f6de3d8a4c3628ea998.tar.xz |
mei: bus: do not overflow the device name buffer
1. use strncmp for comparsion strncpy was used for copying
which may omit the final %NUL terminator
2. id->name is statically defined so we can use sizeof
Acked-by: Samuel Ortiz <sameo@linux.intel.com>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/misc/mei')
-rw-r--r-- | drivers/misc/mei/bus.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/misc/mei/bus.c b/drivers/misc/mei/bus.c index 9ecd49a..a150a42 100644 --- a/drivers/misc/mei/bus.c +++ b/drivers/misc/mei/bus.c @@ -47,7 +47,7 @@ static int mei_cl_device_match(struct device *dev, struct device_driver *drv) id = driver->id_table; while (id->name[0]) { - if (!strcmp(dev_name(dev), id->name)) + if (!strncmp(dev_name(dev), id->name, sizeof(id->name))) return 1; id++; @@ -71,7 +71,7 @@ static int mei_cl_device_probe(struct device *dev) dev_dbg(dev, "Device probe\n"); - strncpy(id.name, dev_name(dev), MEI_CL_NAME_SIZE); + strncpy(id.name, dev_name(dev), sizeof(id.name)); return driver->probe(device, &id); } |