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dm: virtio-i2c: minor fix

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Change the condition of checking native adapter number.
Change sprintf to snprintf.

Tracked-On: #3437
Signed-off-by: Conghui Chen <conghui.chen@intel.com>
Reviewed-by: Yonghua Huang <yonghua.huang@intel.com>
This commit is contained in:
Conghui Chen 2019-07-16 18:17:49 +00:00 committed by ACRN System Integration
parent d28264ff56
commit c1b4121e3b
1 changed files with 2 additions and 2 deletions
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4
devicemodel/hw/pci/virtio/virtio_i2c.c
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@ -443,7 +443,7 @@ native_adapter_create(int bus, uint16_t slave_addr[], int n_slave)
return NULL; return NULL;
} }
sprintf(native_path, "/dev/i2c-%d", bus); snprintf(native_path, sizeof(native_path), "/dev/i2c-%d", bus);
fd = open(native_path, O_RDWR); fd = open(native_path, O_RDWR);
if (fd < 0) { if (fd < 0) {
WPRINTF("virtio_i2c: failed to open %s\n", native_path); WPRINTF("virtio_i2c: failed to open %s\n", native_path);
@ -645,7 +645,7 @@ virtio_i2c_parse(struct virtio_i2c *vi2c, char *optstr)
} }
cp = t; cp = t;
} }
if (n_adapter > MAX_NATIVE_I2C_ADAPTER) { if (n_adapter >= MAX_NATIVE_I2C_ADAPTER) {
WPRINTF("too many adapter, only support %d \n", MAX_NATIVE_I2C_ADAPTER); WPRINTF("too many adapter, only support %d \n", MAX_NATIVE_I2C_ADAPTER);
return -1; return -1;
} }