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dm: use strnlen to replace strlen

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Replace strlen function with strnlen function in DM

Tracked-On: #3276
Signed-off-by: Tianhua Sun <tianhuax.s.sun@intel.com>
Acked-by: Anthony Xu <anthony.xu@intel.com>
This commit is contained in:
Tianhua Sun 2019-06-12 15:23:14 +08:00 committed by wenlingz
parent 5ced5fe77f
commit b65489c27d
1 changed files with 2 additions and 2 deletions
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4
devicemodel/hw/pci/virtio/virtio_gpio.c
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@ -647,10 +647,10 @@ virtio_gpio_proc(struct virtio_gpio *gpio, struct iovec *iov, int n)
* command line paremeter, then provide it to UOS, * command line paremeter, then provide it to UOS,
* otherwise provide the physical name of gpio to UOS. * otherwise provide the physical name of gpio to UOS.
*/ */
if (strlen(line->vname)) if (strnlen(line->vname, sizeof(line->vname)))
strncpy(data[i].name, line->vname, strncpy(data[i].name, line->vname,
sizeof(data[0].name) - 1); sizeof(data[0].name) - 1);
else if (strlen(line->name)) else if (strnlen(line->name, sizeof(line->name)))
strncpy(data[i].name, line->name, strncpy(data[i].name, line->name,
sizeof(data[0].name) - 1); sizeof(data[0].name) - 1);
} }