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Fix SIGSEGV in uboot-tools for non-standard boards

pull/33/head
Dmitry Ilyin 2021-07-08 11:51:44 +03:00
parent 0296a765b9
commit 1498fa52eb
1 changed files with 14 additions and 7 deletions
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21
general/package/fwprintenv-ng/0011-env-partition-autosearch.patch
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@ -1,5 +1,5 @@
diff --git a/tools/env/fw_env.c b/tools/env/fw_env.c
index 2a61a5d6f0..6398e29c38 100644
index 2a61a5d6f0..f2ed8e436d 100644
--- a/tools/env/fw_env.c
+++ b/tools/env/fw_env.c
@@ -484,7 +484,8 @@ int fw_printenv(int argc, char *argv[], int value_only, struct env_opts *opts)
@ -12,7 +12,7 @@ index 2a61a5d6f0..6398e29c38 100644
rc = -1;
continue;
}
@@ -1725,6 +1726,88 @@ static int check_device_config(int dev)
@@ -1725,6 +1726,91 @@ static int check_device_config(int dev)
return rc;
}
@ -21,7 +21,7 @@ index 2a61a5d6f0..6398e29c38 100644
+#define ENV_LEN 0x10000
+
+// Detect U-Boot environment area offset
+int uboot_detect_env(void *buf, size_t len) {
+static int uboot_detect_env(void *buf, size_t len) {
+ // Jump over memory by step
+ int scan_step = ENV_LEN;
+ int res = -1;
@ -38,7 +38,7 @@ index 2a61a5d6f0..6398e29c38 100644
+ return res;
+}
+
+char *open_mtdblock(int i, int *fd, uint32_t size, int flags) {
+static char *open_mtdblock(int i, int *fd, uint32_t size, int flags) {
+ char filename[PATH_MAX];
+
+ snprintf(filename, sizeof filename, "/dev/mtdblock%d", i);
@ -58,11 +58,12 @@ index 2a61a5d6f0..6398e29c38 100644
+}
+
+static char dev[80];
+static void detect_env() {
+static int detect_env() {
+ FILE *fp;
+ char name[80];
+ int i, es, ee;
+ struct mtd_info_user mtd;
+ int res = 0;
+
+ if ((fp = fopen("/proc/mtd", "r"))) {
+ bool running = true;
@ -88,6 +89,7 @@ index 2a61a5d6f0..6398e29c38 100644
+ ENVSIZE(0) = ENV_LEN;
+ DEVESIZE(0) = mtd.erasesize;
+ ENVSECTORS(0) = 1;
+ res = 1;
+ break;
+ }
+ }
@ -96,19 +98,24 @@ index 2a61a5d6f0..6398e29c38 100644
+ }
+ fclose(fp);
+ }
+ return res;
+}
+
static int parse_config(struct env_opts *opts)
{
int rc;
@@ -1735,9 +1818,7 @@ static int parse_config(struct env_opts *opts)
@@ -1735,9 +1821,11 @@ static int parse_config(struct env_opts *opts)
#if defined(CONFIG_FILE)
/* Fills in DEVNAME(), ENVSIZE(), DEVESIZE(). Or don't. */
if (get_config(opts->config_file)) {
- fprintf(stderr, "Cannot parse config file '%s': %m\n",
- opts->config_file);
- return -1;
+ detect_env();
+ if (!detect_env()) {
+ fprintf(stderr, "Cannot parse config file '%s': %m\n",
+ opts->config_file);
+ return -1;
+ }
}
#else
DEVNAME(0) = DEVICE1_NAME;