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Fix segfaults when dev is null. #17

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Fix segfaults when dev is null. #17

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8 changes: 4 additions & 4 deletions src/librtlsdr.c
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Original file line number Diff line number Diff line change
Expand Up @@ -840,10 +840,10 @@ int rtlsdr_write_eeprom(rtlsdr_dev_t *dev, uint8_t *data, uint8_t offset, uint16
int r = 0;
int i;
uint8_t cmd[2];
rtlsdr_set_i2c_repeater(dev, 0);

if (!dev)
return -1;
rtlsdr_set_i2c_repeater(dev, 0);

if ((len + offset) > 256)
return -2;
Expand Down Expand Up @@ -878,10 +878,10 @@ int rtlsdr_read_eeprom(rtlsdr_dev_t *dev, uint8_t *data, uint8_t offset, uint16_
{
int r = 0;
int i;
rtlsdr_set_i2c_repeater(dev, 0);

if (!dev)
return -1;
rtlsdr_set_i2c_repeater(dev, 0);

if ((len + offset) > 256)
return -2;
Expand Down Expand Up @@ -934,10 +934,10 @@ uint32_t rtlsdr_get_center_freq(rtlsdr_dev_t *dev)
int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm)
{
int r = 0;
rtlsdr_set_i2c_repeater(dev, 0);

if (!dev)
return -1;
rtlsdr_set_i2c_repeater(dev, 0);

if (dev->corr == ppm)
return -2;
Expand Down Expand Up @@ -1269,10 +1269,10 @@ int rtlsdr_get_direct_sampling(rtlsdr_dev_t *dev)
int rtlsdr_set_offset_tuning(rtlsdr_dev_t *dev, int on)
{
int r = 0;
rtlsdr_set_i2c_repeater(dev, 0);

if (!dev)
return -1;
rtlsdr_set_i2c_repeater(dev, 0);

if ((dev->tuner_type == RTLSDR_TUNER_R820T) ||
(dev->tuner_type == RTLSDR_TUNER_R828D))
Expand Down