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authorDavid Dueck <davidcdueck@googlemail.com>2015-06-26 15:30:22 +0200
committerStephen Boyd <sboyd@codeaurora.org>2015-07-02 09:51:50 -0700
commitc76a024e82bdb83a0f7d57e006f8e7f8ddf983e5 (patch)
tree3fbd028af32dd69f1fea0a5fe36dd3c3db26ade8 /drivers/clk
parent15ab38273d21a45487116ad4c428593427954848 (diff)
downloadlinux-c76a024e82bdb83a0f7d57e006f8e7f8ddf983e5.tar.bz2
clk: at91: do not leak resources
Do not leak memory and free irqs in case of an error. Acked-by: Boris Brezillon <boris.brezillon@free-electrons.com> Signed-off-by: David Dueck <davidcdueck@googlemail.com> Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk')
-rw-r--r--drivers/clk/at91/clk-h32mx.c4
-rw-r--r--drivers/clk/at91/clk-main.c4
-rw-r--r--drivers/clk/at91/clk-master.c8
-rw-r--r--drivers/clk/at91/clk-pll.c8
-rw-r--r--drivers/clk/at91/clk-system.c8
-rw-r--r--drivers/clk/at91/clk-utmi.c8
6 files changed, 30 insertions, 10 deletions
diff --git a/drivers/clk/at91/clk-h32mx.c b/drivers/clk/at91/clk-h32mx.c
index 152dcb3f7b5f..61566bcefa53 100644
--- a/drivers/clk/at91/clk-h32mx.c
+++ b/drivers/clk/at91/clk-h32mx.c
@@ -116,8 +116,10 @@ void __init of_sama5d4_clk_h32mx_setup(struct device_node *np,
h32mxclk->pmc = pmc;
clk = clk_register(NULL, &h32mxclk->hw);
- if (!clk)
+ if (!clk) {
+ kfree(h32mxclk);
return;
+ }
of_clk_add_provider(np, of_clk_src_simple_get, clk);
}
diff --git a/drivers/clk/at91/clk-main.c b/drivers/clk/at91/clk-main.c
index c2400456a044..27dfa965cfed 100644
--- a/drivers/clk/at91/clk-main.c
+++ b/drivers/clk/at91/clk-main.c
@@ -171,8 +171,10 @@ at91_clk_register_main_osc(struct at91_pmc *pmc,
irq_set_status_flags(osc->irq, IRQ_NOAUTOEN);
ret = request_irq(osc->irq, clk_main_osc_irq_handler,
IRQF_TRIGGER_HIGH, name, osc);
- if (ret)
+ if (ret) {
+ kfree(osc);
return ERR_PTR(ret);
+ }
if (bypass)
pmc_write(pmc, AT91_CKGR_MOR,
diff --git a/drivers/clk/at91/clk-master.c b/drivers/clk/at91/clk-master.c
index f98eafe9b12d..5b3ded5205a2 100644
--- a/drivers/clk/at91/clk-master.c
+++ b/drivers/clk/at91/clk-master.c
@@ -165,12 +165,16 @@ at91_clk_register_master(struct at91_pmc *pmc, unsigned int irq,
irq_set_status_flags(master->irq, IRQ_NOAUTOEN);
ret = request_irq(master->irq, clk_master_irq_handler,
IRQF_TRIGGER_HIGH, "clk-master", master);
- if (ret)
+ if (ret) {
+ kfree(master);
return ERR_PTR(ret);
+ }
clk = clk_register(NULL, &master->hw);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ free_irq(master->irq, master);
kfree(master);
+ }
return clk;
}
diff --git a/drivers/clk/at91/clk-pll.c b/drivers/clk/at91/clk-pll.c
index 6ec79dbc0840..23163be24b6f 100644
--- a/drivers/clk/at91/clk-pll.c
+++ b/drivers/clk/at91/clk-pll.c
@@ -338,12 +338,16 @@ at91_clk_register_pll(struct at91_pmc *pmc, unsigned int irq, const char *name,
irq_set_status_flags(pll->irq, IRQ_NOAUTOEN);
ret = request_irq(pll->irq, clk_pll_irq_handler, IRQF_TRIGGER_HIGH,
id ? "clk-pllb" : "clk-plla", pll);
- if (ret)
+ if (ret) {
+ kfree(pll);
return ERR_PTR(ret);
+ }
clk = clk_register(NULL, &pll->hw);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ free_irq(pll->irq, pll);
kfree(pll);
+ }
return clk;
}
diff --git a/drivers/clk/at91/clk-system.c b/drivers/clk/at91/clk-system.c
index a76d03fd577b..58008b3e8bc1 100644
--- a/drivers/clk/at91/clk-system.c
+++ b/drivers/clk/at91/clk-system.c
@@ -130,13 +130,17 @@ at91_clk_register_system(struct at91_pmc *pmc, const char *name,
irq_set_status_flags(sys->irq, IRQ_NOAUTOEN);
ret = request_irq(sys->irq, clk_system_irq_handler,
IRQF_TRIGGER_HIGH, name, sys);
- if (ret)
+ if (ret) {
+ kfree(sys);
return ERR_PTR(ret);
+ }
}
clk = clk_register(NULL, &sys->hw);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ free_irq(sys->irq, sys);
kfree(sys);
+ }
return clk;
}
diff --git a/drivers/clk/at91/clk-utmi.c b/drivers/clk/at91/clk-utmi.c
index ae3263bc1476..30dd697b1668 100644
--- a/drivers/clk/at91/clk-utmi.c
+++ b/drivers/clk/at91/clk-utmi.c
@@ -118,12 +118,16 @@ at91_clk_register_utmi(struct at91_pmc *pmc, unsigned int irq,
irq_set_status_flags(utmi->irq, IRQ_NOAUTOEN);
ret = request_irq(utmi->irq, clk_utmi_irq_handler,
IRQF_TRIGGER_HIGH, "clk-utmi", utmi);
- if (ret)
+ if (ret) {
+ kfree(utmi);
return ERR_PTR(ret);
+ }
clk = clk_register(NULL, &utmi->hw);
- if (IS_ERR(clk))
+ if (IS_ERR(clk)) {
+ free_irq(utmi->irq, utmi);
kfree(utmi);
+ }
return clk;
}