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rtl: check for NULL buffers

This commit is contained in:
Dimitri Stolnikov 2012-08-08 20:27:27 +02:00
parent f0b3de4d54
commit e3bea99310
1 changed files with 14 additions and 8 deletions
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22
lib/rtl/rtl_source_c.cc
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@ -81,6 +81,8 @@ rtl_source_c::rtl_source_c (const std::string &args)
: gr_sync_block ("rtl_source_c",
gr_make_io_signature (MIN_IN, MAX_IN, sizeof (gr_complex)),
gr_make_io_signature (MIN_OUT, MAX_OUT, sizeof (gr_complex))),
_dev(NULL),
_buf(NULL),
_running(true),
_auto_gain(false),
_skipped(0)
@ -166,8 +168,10 @@ rtl_source_c::rtl_source_c (const std::string &args)
_buf = (unsigned short **) malloc(_buf_num * sizeof(unsigned short *));
for(unsigned int i = 0; i < _buf_num; ++i)
_buf[i] = (unsigned short *) malloc(BUF_SIZE);
if (_buf) {
for(unsigned int i = 0; i < _buf_num; ++i)
_buf[i] = (unsigned short *) malloc(BUF_SIZE);
}
_thread = gruel::thread(_rtlsdr_wait, this);
}
@ -185,13 +189,15 @@ rtl_source_c::~rtl_source_c ()
_dev = NULL;
}
for(unsigned int i = 0; i < _buf_num; ++i) {
if (_buf[i])
free(_buf[i]);
}
if (_buf) {
for(unsigned int i = 0; i < _buf_num; ++i) {
if (_buf[i])
free(_buf[i]);
}
free(_buf);
_buf = NULL;
free(_buf);
_buf = NULL;
}
}
void rtl_source_c::_rtlsdr_callback(unsigned char *buf, uint32_t len, void *ctx)