Get rid of the 1024-byte limit on ESP file path.

Not that I think 1024 was something we were going to hit there, but...

Signed-off-by: Peter Jones <pjones@redhat.com>

diff --git a/src/lib/efi.c b/src/lib/efi.c
index 1ddf6f4..c42cc86 100644 (file)
--- a/src/lib/efi.c
+++ b/src/lib/efi.c
@@ -392,11 +392,11 @@ static ssize_t
 make_file_path_device_path(efi_char16_t *name, uint8_t *buf, size_t size)
 {
        FILE_PATH_DEVICE_PATH *p;
-       char buffer[1024];
        int namelen  = efichar_strlen(name, -1);
        int namesize = efichar_strsize(name);
+       char *buffer = calloc(1, namesize + 1);
 
-       memset(buffer, 0, sizeof(buffer));
+       memset(buffer, 0, namesize + 1);
        p = (FILE_PATH_DEVICE_PATH *)buffer;
        p->type      = 4;
        p->subtype   = 4;
@@ -405,6 +405,7 @@ make_file_path_device_path(efi_char16_t *name, uint8_t *buf, size_t size)
 
        if (size >= p->length)
                memcpy(buf, buffer, p->length);
+       free(buffer);
        return p->length;
 }