diff options
Diffstat (limited to 'util/nvmutil/nvmutil.c')
| -rw-r--r-- | util/nvmutil/nvmutil.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/util/nvmutil/nvmutil.c b/util/nvmutil/nvmutil.c index 759edea0..da954b32 100644 --- a/util/nvmutil/nvmutil.c +++ b/util/nvmutil/nvmutil.c @@ -143,7 +143,8 @@ readFromFile(int *fd, uint8_t *buf, const char *path, int flags, size_t size) } else if (((*fd) = open(path, flags)) == -1) { return -1; } else if (size == SIZE_8KB) { - fstat((*fd), &st); + if (fstat((*fd), &st) == -1) + return -1; if ((st.st_size != SIZE_8KB) && strcmp(path, "/dev/urandom")) { fprintf(stderr, "Bad file size\n"); errno = ECANCELED; @@ -153,6 +154,8 @@ readFromFile(int *fd, uint8_t *buf, const char *path, int flags, size_t size) if (errno == ENOTDIR) errno = 0; + else if (errno != 0) + return -1; return read((*fd), buf, size); } @@ -179,7 +182,7 @@ cmd_setmac(const char *strMac) if (errno != 0) return; goto invalid_mac_address; - } else if ((byte == 0 && (nib == 1))) { + } else if ((byte == 0) && (nib == 1)) { val8 &= 0xE; val8 |= 2; } @@ -244,12 +247,12 @@ rhex(void) static uint8_t *rbuf = NULL; static size_t rindex = BUFSIZ; - if ((rindex == BUFSIZ)) { + if (rindex == BUFSIZ) { rindex = 0; - if ((rbuf == NULL)) + if (rbuf == NULL) if ((rbuf = (uint8_t *) malloc(BUFSIZ)) == NULL) err(1, NULL); - if ((rfd != -1)) { + if (rfd != -1) { close(rfd); rfd = -1; } @@ -258,7 +261,7 @@ rhex(void) warn("%s", "/dev/urandom"); return 16; } - if ((errno != 0)) + if (errno != 0) return 16; } @@ -355,7 +358,7 @@ cmd_swap(void) part0 = validChecksum(0); part1 = validChecksum(1); - if ((part0 | part1)) { + if (part0 || part1) { for(part0 = 0; part0 < SIZE_4KB; part0++) { gbe[part0] ^= gbe[part1 = (part0 | SIZE_4KB)]; gbe[part1] ^= gbe[part0]; |