FIX: Coverity Scan complains about resourceleaks, array reads outside of index, uninitialized variables.

This commit is contained in:
iceman1001 2016-01-20 17:13:25 +01:00
commit 4a71da5a35
6 changed files with 94 additions and 113 deletions

View file

@ -158,9 +158,8 @@ void FpgaSetupSsc(void)
//-----------------------------------------------------------------------------
bool FpgaSetupSscDma(uint8_t *buf, int len)
{
if (buf == NULL) {
if (buf == NULL)
return false;
}
AT91C_BASE_PDC_SSC->PDC_PTCR = AT91C_PDC_RXTDIS; // Disable DMA Transfer
AT91C_BASE_PDC_SSC->PDC_RPR = (uint32_t) buf; // transfer to this memory address
@ -184,15 +183,15 @@ static int get_from_fpga_combined_stream(z_streamp compressed_fpga_stream, uint8
compressed_fpga_stream->avail_out = OUTPUT_BUFFER_LEN;
fpga_image_ptr = output_buffer;
int res = inflate(compressed_fpga_stream, Z_SYNC_FLUSH);
if (res != Z_OK) {
if (res != Z_OK)
Dbprintf("inflate returned: %d, %s", res, compressed_fpga_stream->msg);
}
if (res < 0) {
if (res < 0)
return res;
}
}
uncompressed_bytes_cnt++;
++uncompressed_bytes_cnt;
return *fpga_image_ptr++;
}
@ -209,8 +208,7 @@ static int get_from_fpga_stream(int bitstream_version, z_streamp compressed_fpga
get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
}
return get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
return get_from_fpga_combined_stream(compressed_fpga_stream, output_buffer);
}
@ -247,16 +245,14 @@ static bool reset_fpga_stream(int bitstream_version, z_streamp compressed_fpga_s
fpga_image_ptr = output_buffer;
for (uint16_t i = 0; i < FPGA_BITSTREAM_FIXED_HEADER_SIZE; i++) {
for (uint16_t i = 0; i < FPGA_BITSTREAM_FIXED_HEADER_SIZE; i++)
header[i] = get_from_fpga_stream(bitstream_version, compressed_fpga_stream, output_buffer);
}
// Check for a valid .bit file (starts with _bitparse_fixed_header)
if(memcmp(_bitparse_fixed_header, header, FPGA_BITSTREAM_FIXED_HEADER_SIZE) == 0) {
if(memcmp(_bitparse_fixed_header, header, FPGA_BITSTREAM_FIXED_HEADER_SIZE) == 0)
return true;
} else {
return false;
}
return false;
}
@ -413,7 +409,7 @@ static int bitparse_find_section(int bitstream_version, char section_name, unsig
void FpgaDownloadAndGo(int bitstream_version)
{
z_stream compressed_fpga_stream;
uint8_t output_buffer[OUTPUT_BUFFER_LEN];
uint8_t output_buffer[OUTPUT_BUFFER_LEN] = {0x00};
// check whether or not the bitstream is already loaded
if (downloaded_bitstream == bitstream_version)
@ -447,18 +443,17 @@ void FpgaDownloadAndGo(int bitstream_version)
void FpgaGatherVersion(int bitstream_version, char *dst, int len)
{
unsigned int fpga_info_len;
char tempstr[40];
char tempstr[40] = {0x00};
z_stream compressed_fpga_stream;
uint8_t output_buffer[OUTPUT_BUFFER_LEN];
uint8_t output_buffer[OUTPUT_BUFFER_LEN] = {0x00};
dst[0] = '\0';
// ensure that we can allocate enough memory for decompression:
BigBuf_free();
if (!reset_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer)) {
if (!reset_fpga_stream(bitstream_version, &compressed_fpga_stream, output_buffer))
return;
}
if(bitparse_find_section(bitstream_version, 'a', &fpga_info_len, &compressed_fpga_stream, output_buffer)) {
for (uint16_t i = 0; i < fpga_info_len; i++) {