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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-07-24 16:21:27 +0200
commit8f9aa2c90530ab92301a82231ae44f3722becd93 (patch)
treefb282e955b0a880b07131a135257fe3ec764e928 /drivers/fpga/microchip-spi.c
parent93467b31bec6da512b51544e5e4584f2745e995e (diff)
parent155b42bec9cbb6b8cdc47dd9bd09503a81fbe493 (diff)
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/fpga/microchip-spi.c')
-rw-r--r--drivers/fpga/microchip-spi.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/fpga/microchip-spi.c b/drivers/fpga/microchip-spi.c
index 6134cea86ac8..cc8f6d7bb978 100644
--- a/drivers/fpga/microchip-spi.c
+++ b/drivers/fpga/microchip-spi.c
@@ -116,6 +116,9 @@ static int mpf_ops_parse_header(struct fpga_manager *mgr,
}
header_size = *(buf + MPF_HEADER_SIZE_OFFSET);
+ if (!header_size)
+ return -EINVAL;
+
if (header_size > count) {
info->header_size = header_size;
return -EAGAIN;