From 1ce1513f48e3bc4d55ee672f0e39f5063a02ab7a Mon Sep 17 00:00:00 2001 From: Karsten Keil Date: Tue, 2 Jun 2009 15:37:37 +0200 Subject: [PATCH] mISDN: Fix overlapping data access Remove code rewriting a buffer by itself. This fix bug 12970 on bugzilla.kernel.org. Signed-off-by: Karsten Keil --- drivers/isdn/mISDN/dsp_pipeline.c | 11 +++++------ 1 file changed, 5 insertions(+), 6 deletions(-) diff --git a/drivers/isdn/mISDN/dsp_pipeline.c b/drivers/isdn/mISDN/dsp_pipeline.c index ac61f198eb32..e9941678edfa 100644 --- a/drivers/isdn/mISDN/dsp_pipeline.c +++ b/drivers/isdn/mISDN/dsp_pipeline.c @@ -55,20 +55,19 @@ static ssize_t attr_show_args(struct device *dev, struct device_attribute *attr, char *buf) { struct mISDN_dsp_element *elem = dev_get_drvdata(dev); - ssize_t len = 0; - int i = 0; + int i; + char *p = buf; *buf = 0; - for (; i < elem->num_args; ++i) - len = sprintf(buf, "%sName: %s\n%s%s%sDescription: %s\n" - "\n", buf, + for (i = 0; i < elem->num_args; i++) + p += sprintf(p, "Name: %s\n%s%s%sDescription: %s\n\n", elem->args[i].name, elem->args[i].def ? "Default: " : "", elem->args[i].def ? elem->args[i].def : "", elem->args[i].def ? "\n" : "", elem->args[i].desc); - return len; + return p - buf; } static struct device_attribute element_attributes[] = { -- GitLab