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authorjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-04-26 20:42:36 +0000
committerjow <jow@3c298f89-4303-0410-b956-a3cf2f4a3e73>2009-04-26 20:42:36 +0000
commitd7b9dc5572c4ff1f91dd71582333fd0ebe98506d (patch)
tree184a64b54ba0809a0a0d14c4ba7a79b8fe91ef27 /package/unvram/src
parent9f70f9f3b94be85a28439fd57c912966b32bd6f6 (diff)
[package] unvram: make it work on bcm47xx, also look for /dev/mtdblockX
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@15429 3c298f89-4303-0410-b956-a3cf2f4a3e73
Diffstat (limited to 'package/unvram/src')
-rw-r--r--package/unvram/src/nvram.c29
-rw-r--r--package/unvram/src/nvram.h2
2 files changed, 24 insertions, 7 deletions
diff --git a/package/unvram/src/nvram.c b/package/unvram/src/nvram.c
index 4dfe0a959..a5f1d4350 100644
--- a/package/unvram/src/nvram.c
+++ b/package/unvram/src/nvram.c
@@ -409,6 +409,7 @@ const char * nvram_find_mtd(void)
int i, esz;
char dev[PATH_MAX];
char *path = NULL;
+ struct stat s;
// "/dev/mtdblock/" + ( 0 < x < 99 ) + \0 = 19
if( (path = (char *) malloc(19)) == NULL )
@@ -416,12 +417,30 @@ const char * nvram_find_mtd(void)
if ((fp = fopen("/proc/mtd", "r"))) {
while (fgets(dev, sizeof(dev), fp)) {
- if (strstr(dev, "nvram") && sscanf(dev, "mtd%d: %08x", &i, &esz)) {
- if( (path = (char *) malloc(19)) != NULL )
+ if (strstr(dev, "nvram") && sscanf(dev, "mtd%d: %08x", &i, &esz))
+ {
+ nvram_erase_size = esz;
+
+ sprintf(dev, "/dev/mtdblock/%d", i);
+ if( stat(dev, &s) > -1 && (s.st_mode & S_IFBLK) )
+ {
+ if( (path = (char *) malloc(strlen(dev)+1)) != NULL )
+ {
+ strncpy(path, dev, strlen(dev)+1);
+ break;
+ }
+ }
+ else
{
- nvram_erase_size = esz;
- snprintf(path, 19, "/dev/mtdblock/%d", i);
- break;
+ sprintf(dev, "/dev/mtdblock%d", i);
+ if( stat(dev, &s) > -1 && (s.st_mode & S_IFBLK) )
+ {
+ if( (path = (char *) malloc(strlen(dev)+1)) != NULL )
+ {
+ strncpy(path, dev, strlen(dev)+1);
+ break;
+ }
+ }
}
}
}
diff --git a/package/unvram/src/nvram.h b/package/unvram/src/nvram.h
index 09650239e..b718928c0 100644
--- a/package/unvram/src/nvram.h
+++ b/package/unvram/src/nvram.h
@@ -24,8 +24,6 @@
#include <errno.h>
#include <sys/mman.h>
#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <arpa/inet.h>
#include <linux/limits.h>
#include "sdinitvals.h"