On Sun, Jul 14, 2019 at 11:31:50PM +0200, Heinrich Schuchardt wrote: > Packed structures like struct uuid are not aligned. GCC 9.1 therefore > throws an error when trying to compile gen_rand_uuid(). > > lib/uuid.c: In function ‘gen_rand_uuid’: > lib/uuid.c:244:2: error: converting a packed ‘struct uuid’ pointer > (alignment 1) to a ‘unsigned int’ pointer (alignment 4) may result in > an unaligned pointer value [-Werror=address-of-packed-member] > 244 | unsigned int *ptr = (unsigned int *)&uuid; > | ^~~~~~~~ > > Generate the uuid in a properly aligned buffer. > > The byte order of a random number should not matter. Do not call > cpu_to_be32() to change the byte order. > > Reported-by: Ramon Fried <[email protected]> > Signed-off-by: Heinrich Schuchardt <[email protected]>
Applied to u-boot/master, thanks! -- Tom
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