driver core: module.c: Use kasprintf
kasprintf combines kmalloc and sprintf, and takes care of the size calculation itself. The semantic patch that makes this change is as follows: (http://coccinelle.lip6.fr/) // <smpl> @@ expression a,flag; expression list args; statement S; @@ a = - \(kmalloc\|kzalloc\)(...,flag) + kasprintf(flag,args) <... when != a if (a == NULL || ...) S ...> - sprintf(a,args); // </smpl> Signed-off-by: Julia Lawall <julia@diku.dk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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@ -15,12 +15,10 @@ static char *make_driver_name(struct device_driver *drv)
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{
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{
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char *driver_name;
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char *driver_name;
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driver_name = kmalloc(strlen(drv->name) + strlen(drv->bus->name) + 2,
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driver_name = kasprintf(GFP_KERNEL, "%s:%s", drv->bus->name, drv->name);
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GFP_KERNEL);
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if (!driver_name)
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if (!driver_name)
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return NULL;
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return NULL;
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sprintf(driver_name, "%s:%s", drv->bus->name, drv->name);
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return driver_name;
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return driver_name;
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}
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}
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