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[PATCH] isdn/gigaset/common.c: fix a memory leak
Fix a memory leak spotted by the Coverity checker if (!try_module_get(owner)). Signed-off-by: Adrian Bunk <bunk@stusta.de> Acked-by: Tilman Schmidt <tilman@imap.cc> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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commit
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1 changed files with 8 additions and 5 deletions
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@ -1110,8 +1110,9 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
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drv = kmalloc(sizeof *drv, GFP_KERNEL);
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if (!drv)
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return NULL;
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if (!try_module_get(owner))
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return NULL;
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goto out1;
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drv->cs = NULL;
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drv->have_tty = 0;
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@ -1125,10 +1126,11 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
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drv->cs = kmalloc(minors * sizeof *drv->cs, GFP_KERNEL);
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if (!drv->cs)
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goto out1;
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goto out2;
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drv->flags = kmalloc(minors * sizeof *drv->flags, GFP_KERNEL);
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if (!drv->flags)
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goto out2;
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goto out3;
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for (i = 0; i < minors; ++i) {
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drv->flags[i] = 0;
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@ -1145,11 +1147,12 @@ struct gigaset_driver *gigaset_initdriver(unsigned minor, unsigned minors,
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return drv;
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out2:
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out3:
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kfree(drv->cs);
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out2:
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module_put(owner);
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out1:
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kfree(drv);
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module_put(owner);
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return NULL;
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}
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EXPORT_SYMBOL_GPL(gigaset_initdriver);
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