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author | Marcel Holtmann <marcel@holtmann.org> | 2018-07-30 14:57:41 +0300 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-09-19 23:43:42 +0300 |
commit | 60deae3d9fc96d4080ccd0a7f406ec20e1364cd2 (patch) | |
tree | feb7ce7d65387b6d17fbd1ad5644b285592a7010 | |
parent | 1dac27c707c871f0a9352016d78d880979fa41d8 (diff) | |
download | linux-60deae3d9fc96d4080ccd0a7f406ec20e1364cd2.tar.xz |
Bluetooth: hidp: Fix handling of strncpy for hid->name information
[ Upstream commit b3cadaa485f0c20add1644a5c877b0765b285c0c ]
This fixes two issues with setting hid->name information.
CC net/bluetooth/hidp/core.o
In function ‘hidp_setup_hid’,
inlined from ‘hidp_session_dev_init’ at net/bluetooth/hidp/core.c:815:9,
inlined from ‘hidp_session_new’ at net/bluetooth/hidp/core.c:953:8,
inlined from ‘hidp_connection_add’ at net/bluetooth/hidp/core.c:1366:8:
net/bluetooth/hidp/core.c:778:2: warning: ‘strncpy’ output may be truncated copying 127 bytes from a string of length 127 [-Wstringop-truncation]
strncpy(hid->name, req->name, sizeof(req->name) - 1);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
CC net/bluetooth/hidp/core.o
net/bluetooth/hidp/core.c: In function ‘hidp_setup_hid’:
net/bluetooth/hidp/core.c:778:38: warning: argument to ‘sizeof’ in ‘strncpy’ call is the same expression as the source; did you mean to use the size of the destination? [-Wsizeof-pointer-memaccess]
strncpy(hid->name, req->name, sizeof(req->name));
^
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
-rw-r--r-- | net/bluetooth/hidp/core.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c index cef3754408d4..b21fcc838784 100644 --- a/net/bluetooth/hidp/core.c +++ b/net/bluetooth/hidp/core.c @@ -775,7 +775,7 @@ static int hidp_setup_hid(struct hidp_session *session, hid->version = req->version; hid->country = req->country; - strncpy(hid->name, req->name, sizeof(req->name) - 1); + strncpy(hid->name, req->name, sizeof(hid->name)); snprintf(hid->phys, sizeof(hid->phys), "%pMR", &l2cap_pi(session->ctrl_sock->sk)->chan->src); |