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 <[email protected]>Reviewed-by: Tom Rini <[email protected]> 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
