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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 16:56:51 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2018-01-02 16:56:51 +0300
commit8c9076b07c99c2a37a96b9f5265e4def47823c86 (patch)
tree368e59df54d7b7ea02d8a626ac85e751883f6836 /lib/kobject_uevent.c
parent59e73854b5fd1213fe90ae993d98c759786c3712 (diff)
parent30a7acd573899fd8b8ac39236eff6468b195ac7d (diff)
downloadlinux-8c9076b07c99c2a37a96b9f5265e4def47823c86.tar.xz
Merge 4.15-rc6 into driver-core-next
We want the fixes in here as well. Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'lib/kobject_uevent.c')
-rw-r--r--lib/kobject_uevent.c16
1 files changed, 12 insertions, 4 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index cc7e2c46273b..9fe6ec8fda28 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -345,7 +345,8 @@ static int kobject_uevent_net_broadcast(struct kobject *kobj,
static void zap_modalias_env(struct kobj_uevent_env *env)
{
static const char modalias_prefix[] = "MODALIAS=";
- int i;
+ size_t len;
+ int i, j;
for (i = 0; i < env->envp_idx;) {
if (strncmp(env->envp[i], modalias_prefix,
@@ -354,11 +355,18 @@ static void zap_modalias_env(struct kobj_uevent_env *env)
continue;
}
- if (i != env->envp_idx - 1)
- memmove(&env->envp[i], &env->envp[i + 1],
- sizeof(env->envp[i]) * env->envp_idx - 1);
+ len = strlen(env->envp[i]) + 1;
+
+ if (i != env->envp_idx - 1) {
+ memmove(env->envp[i], env->envp[i + 1],
+ env->buflen - len);
+
+ for (j = i; j < env->envp_idx - 1; j++)
+ env->envp[j] = env->envp[j + 1] - len;
+ }
env->envp_idx--;
+ env->buflen -= len;
}
}