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| author | Karsten Keil <keil@b1-systems.de> | 2009-06-02 15:37:37 +0200 |
|---|---|---|
| committer | Karsten Keil <keil@b1-systems.de> | 2009-06-11 19:04:54 +0200 |
| commit | 1ce1513f48e3bc4d55ee672f0e39f5063a02ab7a (patch) | |
| tree | 1428894cade512b477dcd0ba9641e36faa7cb085 /drivers/isdn | |
| parent | 8a745b9d91962991ce87a649a4dc3af3206c2c8b (diff) | |
| download | linux-1ce1513f48e3bc4d55ee672f0e39f5063a02ab7a.tar.bz2 | |
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 <keil@b1-systems.de>
Diffstat (limited to 'drivers/isdn')
| -rw-r--r-- | drivers/isdn/mISDN/dsp_pipeline.c | 11 |
1 files 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[] = { |