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um,ethertap: use strncpy

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[um maintainers appear to be vanished]

I can't prove the case pointed out in
https://bugzilla.kernel.org/show_bug.cgi?id=82341
is correct so let us play safe.

Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Alan 2015-04-08 13:59:21 +01:00 committed by Greg Kroah-Hartman
parent f0c7b47466
commit 7879b1d94b
1 changed files with 1 additions and 1 deletions
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2
arch/um/os-Linux/drivers/ethertap_user.c
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@ -105,7 +105,7 @@ static int etap_tramp(char *dev, char *gate, int control_me,
sprintf(data_fd_buf, "%d", data_remote); sprintf(data_fd_buf, "%d", data_remote);
sprintf(version_buf, "%d", UML_NET_VERSION); sprintf(version_buf, "%d", UML_NET_VERSION);
if (gate != NULL) { if (gate != NULL) {
strcpy(gate_buf, gate); strncpy(gate_buf, gate, 15);
args = setup_args; args = setup_args;
} }
else args = nosetup_args; else args = nosetup_args;