[PATCH] sound: oss: uart401: Used kmemdup instead of kmalloc and memcpy

From: Alexandru Gheorghiu
Date: Mon Mar 25 2013 - 09:47:38 EST


Used kmemdup instead of replicating it's behaviour with kmalloc followed
by memcpy.
Patch found using coccinelle.

Signed-off-by: Alexandru Gheorghiu <gheorghiuandru@xxxxxxxxx>
---
sound/oss/uart401.c | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/sound/oss/uart401.c b/sound/oss/uart401.c
index 8e514a6..5433c6f 100644
--- a/sound/oss/uart401.c
+++ b/sound/oss/uart401.c
@@ -352,23 +352,26 @@ int probe_uart401(struct address_info *hw_config, struct module *owner)
goto cleanup_irq;
}
conf_printf(name, hw_config);
- midi_devs[devc->my_dev] = kmalloc(sizeof(struct midi_operations), GFP_KERNEL);
+ midi_devs[devc->my_dev] = kmemdup(&uart401_operations,
+ sizeof(struct midi_operations),
+ GFP_KERNEL);
if (!midi_devs[devc->my_dev]) {
printk(KERN_ERR "uart401: Failed to allocate memory\n");
goto cleanup_unload_mididev;
}
- memcpy(midi_devs[devc->my_dev], &uart401_operations, sizeof(struct midi_operations));

if (owner)
midi_devs[devc->my_dev]->owner = owner;

midi_devs[devc->my_dev]->devc = devc;
- midi_devs[devc->my_dev]->converter = kmalloc(sizeof(struct synth_operations), GFP_KERNEL);
+ midi_devs[devc->my_dev]->converter = kmemdup(&std_midi_synth,
+ sizeof(struct synth_operations),
+ GFP_KERNEL);
+
if (!midi_devs[devc->my_dev]->converter) {
printk(KERN_WARNING "uart401: Failed to allocate memory\n");
goto cleanup_midi_devs;
}
- memcpy(midi_devs[devc->my_dev]->converter, &std_midi_synth, sizeof(struct synth_operations));
strcpy(midi_devs[devc->my_dev]->info.name, name);
midi_devs[devc->my_dev]->converter->id = "UART401";
midi_devs[devc->my_dev]->converter->midi_dev = devc->my_dev;
--
1.7.9.5

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