#include #include #include #include #include "rnd.h" #include "die.h" #include "ioexact.h" #include "ioops.h" static int fdw = -1; static void randombytes_weak(unsigned char *x, size_t xlen) { int ret; if (fdw == -1) { for (;;) { fdw = open(LOW_ENTROPY_SOURCE, O_RDONLY); if (fdw != -1) break; sleep(1); } } while (xlen > 0) { if (xlen < 1048576) ret = xlen; else ret = 1048576; ret = read(fdw, x, ret); if (ret < 1) { sleep(1); continue; } x += ret; xlen -= ret; } } static void randombytes_strong(unsigned char *x, size_t xlen) { int fds, ret; fds = open_or_die(HIG_ENTROPY_SOURCE, O_RDONLY); ret = read_exact(fds, x, xlen, 0); if (ret != (int) xlen) panic("Error reading from entropy source!\n"); close(fds); } int secrand(void) { int ret; randombytes_weak((void *) &ret, sizeof(ret)); return ret; } void gen_key_bytes(unsigned char *area, size_t len) { randombytes_strong(area, len); } onchange='this.form.submit();'> net-next plumbingsTobias Klauser

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path: root/drivers

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author	Viresh Kumar <viresh.kumar@linaro.org>	2016-08-11 13:27:23 -0700
committer	Greg Kroah-Hartman <gregkh@google.com>	2016-08-12 17:38:19 +0200
commit	b2abeaa10d5711e7730bb07120dd60ae27d7b930 (patch)
tree	5bca52c2b995b9c07638ac83a6090c15f646ae8d /drivers
parent	769cb83704db127119d063b55091f782007368e7 (diff)

greybus: firmware: s/_LEN/_SIZE

Alex Elder pointed out that the macros also count the trailing NULL ('\0') character and so it should be using SIZE instead of LEN. This patch makes that change. Reported-by: Alex Elder <alex.elder@linaro.org> Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@google.com>

Diffstat (limited to 'drivers')