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authorRichard Purdie <richard@openedhand.com>2005-08-31 10:45:47 +0000
committerRichard Purdie <richard@openedhand.com>2005-08-31 10:45:47 +0000
commit4b46c1f6e891b1ddd5968536440b888661fade3e (patch)
treee0ba2c1f56f61b868bf746da5c4feabb25b800b2 /openembedded/packages/sysfsutils/sysfsutils-1.2.0
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git-svn-id: https://svn.o-hand.com/repos/poky@1 311d38ba-8fff-0310-9ca6-ca027cbcb966
Diffstat (limited to 'openembedded/packages/sysfsutils/sysfsutils-1.2.0')
-rw-r--r--openembedded/packages/sysfsutils/sysfsutils-1.2.0/libsysfs-write-attribute.patch29
1 files changed, 29 insertions, 0 deletions
diff --git a/openembedded/packages/sysfsutils/sysfsutils-1.2.0/libsysfs-write-attribute.patch b/openembedded/packages/sysfsutils/sysfsutils-1.2.0/libsysfs-write-attribute.patch
new file mode 100644
index 0000000000..447d90f588
--- /dev/null
+++ b/openembedded/packages/sysfsutils/sysfsutils-1.2.0/libsysfs-write-attribute.patch
@@ -0,0 +1,29 @@
+Hi,
+
+int sysfs_write_attribute(struct sysfs_attribute *sysattr,
+ const char *new_value, size_t len)
+
+has a problematic "feature": if the file is empty but readable, nothing gets
+written into it. The attached patch (untested) should fix it.
+
+ Dominik
+
+
+The check which tests whether the value to be written into a sysfs attribute
+is already there should only trigger if the length of both strings is the
+same.
+
+Signed-off-by: Dominik Brodowski <linux@dominikbrodowski.net>
+
+--- sysfsutils-1.2.0/lib/sysfs_dir.c.original 2005-02-21 08:10:33.000000000 +0100
++++ sysfsutils-1.2.0/lib/sysfs_dir.c 2005-02-21 08:14:01.000000000 +0100
+@@ -194,7 +194,8 @@
+ dprintf("Error reading attribute\n");
+ return -1;
+ }
+- if ((strncmp(sysattr->value, new_value, sysattr->len)) == 0) {
++ if (((strncmp(sysattr->value, new_value, sysattr->len)) == 0)&&
++ (len == sysattr->len)) {
+ dprintf("Attr %s already has the requested value %s\n",
+ sysattr->name, new_value);
+ return 0;