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bootstd: Init the size before reading extlinux file

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The implementation in extlinux_pxe_getfile() does not pass a valid size
to bootmeth_read_file(), so this can fail if the uninited value happens to
be too small.

Fix this.

Signed-off-by: Simon Glass <sjg@chromium.org>
This commit is contained in:
Simon Glass 2023-07-26 21:01:25 -06:00 committed by Tom Rini
parent 2984d21a28
commit 11158aef89
1 changed files with 3 additions and 0 deletions
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3
boot/bootmeth_pxe.c
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@ -31,6 +31,9 @@ static int extlinux_pxe_getfile(struct pxe_context *ctx, const char *file_path,
int ret;
addr = simple_strtoul(file_addr, NULL, 16);
/* Allow up to 1GB */
*sizep = 1 << 30;
ret = bootmeth_read_file(info->dev, info->bflow, file_path, addr,
sizep);
if (ret)