There are a few more blank lines than makes sense for readability. Also free() handles a NULL pointer so drop the pointless checks.
Signed-off-by: Simon Glass sjg@chromium.org ---
boot/pxe_utils.c | 66 ++++++++++-------------------------------------- 1 file changed, 13 insertions(+), 53 deletions(-)
diff --git a/boot/pxe_utils.c b/boot/pxe_utils.c index 7a2213a5925..9f3edeab06a 100644 --- a/boot/pxe_utils.c +++ b/boot/pxe_utils.c @@ -51,7 +51,6 @@ int format_mac_pxe(char *outbuf, size_t outbuf_len)
if (outbuf_len < 21) { printf("outbuf is too small (%zd < 21)\n", outbuf_len); - return -ENOSPC; }
@@ -91,12 +90,10 @@ static int get_bootfile_path(const char *file_path, char *bootfile_path, goto ret;
bootfile = from_env("bootfile"); - if (!bootfile) goto ret;
last_slash = strrchr(bootfile, '/'); - if (!last_slash) goto ret;
@@ -140,7 +137,6 @@ static int get_relfile(struct pxe_context *ctx, const char *file_path,
err = get_bootfile_path(file_path, relfile, sizeof(relfile), ctx->allow_abs_path); - if (err < 0) return err;
@@ -181,7 +177,6 @@ int get_pxe_file(struct pxe_context *ctx, const char *file_path, char *buf;
err = get_relfile(ctx, file_path, file_addr); - if (err < 0) return err;
@@ -190,7 +185,6 @@ int get_pxe_file(struct pxe_context *ctx, const char *file_path, * and add the NUL byte. */ tftp_filesize = from_env("filesize"); - if (!tftp_filesize) return -ENOENT;
@@ -253,7 +247,6 @@ static int get_relfile_envaddr(struct pxe_context *ctx, const char *file_path, char *envaddr;
envaddr = from_env(envaddr_name); - if (!envaddr) return -ENOENT;
@@ -276,7 +269,6 @@ static struct pxe_label *label_create(void) struct pxe_label *label;
label = malloc(sizeof(struct pxe_label)); - if (!label) return NULL;
@@ -300,30 +292,14 @@ static struct pxe_label *label_create(void) */ static void label_destroy(struct pxe_label *label) { - if (label->name) - free(label->name); - - if (label->kernel) - free(label->kernel); - - if (label->config) - free(label->config); - - if (label->append) - free(label->append); - - if (label->initrd) - free(label->initrd); - - if (label->fdt) - free(label->fdt); - - if (label->fdtdir) - free(label->fdtdir); - - if (label->fdtoverlays) - free(label->fdtoverlays); - + free(label->name); + free(label->kernel); + free(label->config); + free(label->append); + free(label->initrd); + free(label->fdt); + free(label->fdtdir); + free(label->fdtoverlays); free(label); }
@@ -359,7 +335,6 @@ static int label_localboot(struct pxe_label *label) char *localcmd;
localcmd = from_env("localcmd"); - if (!localcmd) return -ENOENT;
@@ -718,8 +693,8 @@ static int label_boot(struct pxe_context *ctx, struct pxe_label *label) unmap_sysmem(buf);
cleanup: - if (fit_addr) - free(fit_addr); + free(fit_addr); + return 1; }
@@ -832,7 +807,6 @@ static char *get_string(char **p, struct token *t, char delim, int lower) */ b = *p; e = *p; - while (*e) { if ((delim == ' ' && isspace(*e)) || delim == *e) break; @@ -858,11 +832,8 @@ static char *get_string(char **p, struct token *t, char delim, int lower)
t->val[len] = '\0';
- /* - * Update *p so the caller knows where to continue scanning. - */ + /* Update *p so the caller knows where to continue scanning */ *p = e; - t->type = T_STRING;
return t->val; @@ -988,7 +959,6 @@ static int parse_integer(char **c, int *dst) char *s = *c;
get_token(c, &t, L_SLITERAL); - if (t.type != T_STRING) { printf("Expected string: %.*s\n", (int)(*c - s), s); return -EINVAL; @@ -1022,14 +992,12 @@ static int handle_include(struct pxe_context *ctx, char **c, unsigned long base, int ret;
err = parse_sliteral(c, &include_path); - if (err < 0) { printf("Expected include path: %.*s\n", (int)(*c - s), s); return err; }
err = get_pxe_file(ctx, include_path, base); - if (err < 0) { printf("Couldn't retrieve %s\n", include_path); return err; @@ -1079,7 +1047,6 @@ static int parse_menu(struct pxe_context *ctx, char **c, struct pxe_menu *cfg, printf("Ignoring malformed menu command: %.*s\n", (int)(*c - s), s); } - if (err < 0) return err;
@@ -1353,11 +1320,8 @@ void destroy_pxe_menu(struct pxe_menu *cfg) struct list_head *pos, *n; struct pxe_label *label;
- if (cfg->title) - free(cfg->title); - - if (cfg->default_label) - free(cfg->default_label); + free(cfg->title); + free(cfg->default_label);
list_for_each_safe(pos, n, &cfg->labels) { label = list_entry(pos, struct pxe_label, list); @@ -1375,7 +1339,6 @@ struct pxe_menu *parse_pxefile(struct pxe_context *ctx, unsigned long menucfg) int r;
cfg = malloc(sizeof(struct pxe_menu)); - if (!cfg) return NULL;
@@ -1386,7 +1349,6 @@ struct pxe_menu *parse_pxefile(struct pxe_context *ctx, unsigned long menucfg) buf = map_sysmem(menucfg, 0); r = parse_pxefile_top(ctx, buf, menucfg, cfg, 1); unmap_sysmem(buf); - if (r < 0) { destroy_pxe_menu(cfg); return NULL; @@ -1413,7 +1375,6 @@ static struct menu *pxe_menu_to_menu(struct pxe_menu *cfg) */ m = menu_create(cfg->title, DIV_ROUND_UP(cfg->timeout, 10), cfg->prompt, NULL, label_print, NULL, NULL); - if (!m) return NULL;
@@ -1492,7 +1453,6 @@ void handle_pxe_menu(struct pxe_context *ctx, struct pxe_menu *cfg) return;
err = menu_get_choice(m, &choice); - menu_destroy(m);
/*