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mraa.c: Fix memory leak

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Signed-off-by: Cosmin Popescu <gabrielcosmin.popescu@gmail.com>
Signed-off-by: Mihai Tudor Panu <mihai.tudor.panu@intel.com>
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Cosmin Popescu
2019-01-07 12:51:40 +02:00
committed by Mihai Tudor Panu
parent 4ec830fcc6
commit 18b4ac5663
1 changed files with 4 additions and 1 deletions
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5
src/mraa.c
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@@ -1126,9 +1126,12 @@ mraa_link_targets(const char* filename, const char* targetname)
int nchars = 0; int nchars = 0;
char* buffer = NULL; char* buffer = NULL;
while (nchars == 0) { while (nchars == 0) {
char* old_buffer = buffer;
buffer = (char*) realloc(buffer, size); buffer = (char*) realloc(buffer, size);
if (buffer == NULL) if (buffer == NULL) {
free(old_buffer);
return 0; return 0;
}
nchars = readlink(filename, buffer, size); nchars = readlink(filename, buffer, size);
if (nchars < 0) { if (nchars < 0) {
free(buffer); free(buffer);