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udf: Fix memory leak

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Fixes: CID 73796

Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
Reviewed-by: Daniel Kiper <daniel.kiper@oracle.com>
Reviewed-by: Jan Setje-Eilers <jan.setjeeilers@oracle.com>
This commit is contained in:
Konrad Rzeszutek Wilk 2020-07-07 22:02:31 -04:00 committed by Daniel Kiper
parent 61b7ca08d1
commit d17770857e
1 changed files with 13 additions and 4 deletions
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17
grub-core/fs/udf.c
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@ -965,8 +965,10 @@ grub_udf_iterate_dir (grub_fshelp_node_t dir,
return 0; return 0;
if (grub_udf_read_icb (dir->data, &dirent.icb, child)) if (grub_udf_read_icb (dir->data, &dirent.icb, child))
return 0; {
grub_free (child);
return 0;
}
if (dirent.characteristics & GRUB_UDF_FID_CHAR_PARENT) if (dirent.characteristics & GRUB_UDF_FID_CHAR_PARENT)
{ {
/* This is the parent directory. */ /* This is the parent directory. */
@ -988,11 +990,18 @@ grub_udf_iterate_dir (grub_fshelp_node_t dir,
dirent.file_ident_length, dirent.file_ident_length,
(char *) raw)) (char *) raw))
!= dirent.file_ident_length) != dirent.file_ident_length)
return 0; {
grub_free (child);
return 0;
}
filename = read_string (raw, dirent.file_ident_length, 0); filename = read_string (raw, dirent.file_ident_length, 0);
if (!filename) if (!filename)
grub_print_error (); {
/* As the hook won't get called. */
grub_free (child);
grub_print_error ();
}
if (filename && hook (filename, type, child, hook_data)) if (filename && hook (filename, type, child, hook_data))
{ {