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If file functions are called with NULL arg silently return.

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Signed-off-by: Pol Henarejos <pol.henarejos@cttc.es>
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Pol Henarejos
2022-12-24 01:39:26 +01:00
parent a8fe504d14
commit 36b2924036
2 changed files with 6 additions and 0 deletions
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4
src/fs/file.c
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@@ -284,6 +284,8 @@ file_t *search_dynamic_file(uint16_t fid) {
}
int delete_dynamic_file(file_t *f) {
if (f == NULL)
return NULL;
for (int i = 0; i < dynamic_files; i++) {
if (dynamic_file[i].fid == f->fid) {
for (int j = i+1; j < dynamic_files; j++)
@@ -439,6 +441,8 @@ bool file_has_data(file_t *f) {
}
int delete_file(file_t *ef) {
if (ef == NULL)
return CCID_OK;
meta_delete(ef->fid);
if (flash_clear_file(ef) != CCID_OK)
return CCID_EXEC_ERROR;