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authorSimon Glass2023-07-26 21:01:25 -0600
committerTom Rini2023-08-03 15:30:54 -0400
commit11158aef8939bb6e54361e4dae3809a9cbe78cff (patch)
tree9e95ad9c42383955460fc39eb095bcedb333b846 /boot/bootmeth_pxe.c
parent2984d21a28f812c9c1fd2243cc72796f69a61585 (diff)
bootstd: Init the size before reading extlinux file
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>
Diffstat (limited to 'boot/bootmeth_pxe.c')
-rw-r--r--boot/bootmeth_pxe.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/boot/bootmeth_pxe.c b/boot/bootmeth_pxe.c
index ce986bd260d..8d489a11aa4 100644
--- a/boot/bootmeth_pxe.c
+++ b/boot/bootmeth_pxe.c
@@ -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)