On 3/1/23 17:02, Tom Rini wrote:
On Mon, Feb 27, 2023 at 08:56:31PM +0100, Marek Vasut wrote:
In case fitImage support is disabled, and image_locate_script() is
passed a fitImage, then the 'data' variable is used uninitialized.
Drop into the default: branch of the switch-case statement and do
not return the uninitialized data, and do not modify the return
pointer either, just print an error message.
Reported by clang build:
"
$ make HOSTCC=clang CC=clang KCFLAGS=-Werror sandbox64_defconfig && make
HOSTCC=clang CC=clang KCFLAGS=-Werror
...
boot/image-board.c:1006:7: error: variable 'data' is used uninitialized
whenever switch case is taken [-Werror,-Wsometimes-uninitialized]
case IMAGE_FORMAT_LEGACY:
^~~~~~~~~~~~~~~~~~~
include/image.h:608:29: note: expanded from macro 'IMAGE_FORMAT_LEGACY'
^~~~
boot/image-board.c:1128:19: note: uninitialized use occurs here
*datap = (char *)data;
^~~~
boot/image-board.c:1001:11: note: initialize the variable 'data' to silence
this warning
u32 *data;
^
= NULL
"
Signed-off-by: Marek Vasut <marek.vasut+rene...@mailbox.org>
Reviewed-by: Tom Rini <tr...@konsulko.com>
And can you please do a follow-up that adds sandbox64 + clang, after the
sandbox + clang test in GitLab/Azure?
The CI is chewing on it here:
ahttps://source.denx.de/u-boot/custodians/u-boot-sh/-/commit/f80a434c2ea4fdae7adf0e4c4a0ecd9784d6808e