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? -- Tom
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