diff options
| author | Chen Tao <chentao107@huawei.com> | 2020-06-19 18:42:40 +0800 |
|---|---|---|
| committer | Tony Lindgren <tony@atomide.com> | 2020-07-14 08:03:05 -0700 |
| commit | a18fb07623813aaee1a69873c785865695a32c9e (patch) | |
| tree | 133816a796990779ba1878aa2c3c7387534de1e6 | |
| parent | a55de412228cc5a2b4bf8d2a09849898102633e2 (diff) | |
| download | mvebu-a18fb07623813aaee1a69873c785865695a32c9e.tar.gz | |
ARM: OMAP2+: Fix possible memory leak in omap_hwmod_allocate_module
Fix memory leak in omap_hwmod_allocate_module not freeing in
handling error path.
Fixes: 8c87970543b17("ARM: OMAP2+: Add functions to allocate module data from device tree")
Signed-off-by: Chen Tao <chentao107@huawei.com>
Reviewed-by: Paul Walmsley <paul@pwsan.com>
[tony@atomide.com: fix call iounmap for missing regs]
Signed-off-by: Tony Lindgren <tony@atomide.com>
| -rw-r--r-- | arch/arm/mach-omap2/omap_hwmod.c | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/arch/arm/mach-omap2/omap_hwmod.c b/arch/arm/mach-omap2/omap_hwmod.c index c630457bb228e7..15b29a179c8adb 100644 --- a/arch/arm/mach-omap2/omap_hwmod.c +++ b/arch/arm/mach-omap2/omap_hwmod.c @@ -3435,7 +3435,7 @@ static int omap_hwmod_allocate_module(struct device *dev, struct omap_hwmod *oh, regs = ioremap(data->module_pa, data->module_size); if (!regs) - return -ENOMEM; + goto out_free_sysc; } /* @@ -3445,13 +3445,13 @@ static int omap_hwmod_allocate_module(struct device *dev, struct omap_hwmod *oh, if (oh->class->name && strcmp(oh->class->name, data->name)) { class = kmemdup(oh->class, sizeof(*oh->class), GFP_KERNEL); if (!class) - return -ENOMEM; + goto out_unmap; } if (list_empty(&oh->slave_ports)) { oi = kcalloc(1, sizeof(*oi), GFP_KERNEL); if (!oi) - return -ENOMEM; + goto out_free_class; /* * Note that we assume interconnect interface clocks will be @@ -3478,6 +3478,14 @@ static int omap_hwmod_allocate_module(struct device *dev, struct omap_hwmod *oh, spin_unlock_irqrestore(&oh->_lock, flags); return 0; + +out_free_class: + kfree(class); +out_unmap: + iounmap(regs); +out_free_sysc: + kfree(sysc); + return -ENOMEM; } static const struct omap_hwmod_reset omap24xx_reset_quirks[] = { |