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free allocated variable in error path. 

set rec=NULL after freeing it to prevent
double free'ing.


git-svn-id: https://www.opensc-project.org/svnp/opensc/trunk@2707 c6295689-39f2-0310-b995-f0e70906c6a9
This commit is contained in:
aj 2005-12-05 21:33:11 +00:00
parent 4863fb752d
commit bc23ab4cd2
1 changed files with 5 additions and 1 deletions
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6
src/libopensc/dir.c
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@ -117,6 +117,7 @@ static int parse_dir_record(sc_card_t *card, u8 ** buf, size_t *buflen,
if (asn1_dirrecord[2].flags & SC_ASN1_PRESENT) {
if (path_len > SC_MAX_PATH_SIZE) {
sc_error(card->ctx, "Application path is too long.\n");
free(app);
return SC_ERROR_INVALID_ASN1_OBJECT;
}
memcpy(app->path.value, path, path_len);
@ -130,8 +131,10 @@ static int parse_dir_record(sc_card_t *card, u8 ** buf, size_t *buflen,
app->path.len = 0;
if (asn1_dirrecord[3].flags & SC_ASN1_PRESENT) {
app->ddo = (u8 *) malloc(ddo_len);
if (app->ddo == NULL)
if (app->ddo == NULL) {
free(app);
return SC_ERROR_OUT_OF_MEMORY;
}
memcpy(app->ddo, ddo, ddo_len);
app->ddo_len = ddo_len;
} else {
@ -316,6 +319,7 @@ static int update_transparent(sc_card_t *card, sc_file_t *file)
memcpy(buf + buf_size, rec, rec_size);
buf_size += rec_size;
free(rec);
rec=NULL;
}
if (file->size > buf_size) {
tmp = (u8 *) realloc(buf, file->size);