Message ID | 1474369738-16140-1-git-send-email-arvind.yadav.cs@gmail.com (mailing list archive) |
---|---|
State | Accepted, archived |
Delegated to: | Stephen Boyd |
Headers | show |
On 09/20, Arvind Yadav wrote: > From: Arvind Yadav <arvind.yadav.cs@gmail.com> > > Free memory and memory mapping , if mmp2_clk_init is not successful. > > Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> > --- > drivers/clk/mmp/clk-of-mmp2.c | 15 ++++++++++++--- > 1 file changed, 12 insertions(+), 3 deletions(-) > > diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c > index 3a51fff..2376d28 100644 > --- a/drivers/clk/mmp/clk-of-mmp2.c > +++ b/drivers/clk/mmp/clk-of-mmp2.c > @@ -309,21 +309,23 @@ static void __init mmp2_clk_init(struct device_node *np) > pxa_unit->mpmu_base = of_iomap(np, 0); > if (!pxa_unit->mpmu_base) { > pr_err("failed to map mpmu registers\n"); > - return; > + goto free_memory; > } > > pxa_unit->apmu_base = of_iomap(np, 1); > if (!pxa_unit->mpmu_base) { > pr_err("failed to map apmu registers\n"); > - return; > + goto unmap_mpmu_region; > } > > pxa_unit->apbc_base = of_iomap(np, 2); > if (!pxa_unit->apbc_base) { > pr_err("failed to map apbc registers\n"); > - return; > + goto unmap_apmu_region; > } > > + return; That doesn't seem right. I moved the return... > + > mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS); > > mmp2_pll_init(pxa_unit); > @@ -333,6 +335,13 @@ static void __init mmp2_clk_init(struct device_node *np) > mmp2_axi_periph_clk_init(pxa_unit); > > mmp2_clk_reset_init(np, pxa_unit); To here. > + > +unmap_apmu_region: > + iounmap(pxa_unit->apmu_base); > +unmap_mpmu_region: > + iounmap(pxa_unit->mpmu_base); > +free_memory: > + kfree(pxa_unit); > } > > CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init); > -- > 1.7.9.5 >
diff --git a/drivers/clk/mmp/clk-of-mmp2.c b/drivers/clk/mmp/clk-of-mmp2.c index 3a51fff..2376d28 100644 --- a/drivers/clk/mmp/clk-of-mmp2.c +++ b/drivers/clk/mmp/clk-of-mmp2.c @@ -309,21 +309,23 @@ static void __init mmp2_clk_init(struct device_node *np) pxa_unit->mpmu_base = of_iomap(np, 0); if (!pxa_unit->mpmu_base) { pr_err("failed to map mpmu registers\n"); - return; + goto free_memory; } pxa_unit->apmu_base = of_iomap(np, 1); if (!pxa_unit->mpmu_base) { pr_err("failed to map apmu registers\n"); - return; + goto unmap_mpmu_region; } pxa_unit->apbc_base = of_iomap(np, 2); if (!pxa_unit->apbc_base) { pr_err("failed to map apbc registers\n"); - return; + goto unmap_apmu_region; } + return; + mmp_clk_init(np, &pxa_unit->unit, MMP2_NR_CLKS); mmp2_pll_init(pxa_unit); @@ -333,6 +335,13 @@ static void __init mmp2_clk_init(struct device_node *np) mmp2_axi_periph_clk_init(pxa_unit); mmp2_clk_reset_init(np, pxa_unit); + +unmap_apmu_region: + iounmap(pxa_unit->apmu_base); +unmap_mpmu_region: + iounmap(pxa_unit->mpmu_base); +free_memory: + kfree(pxa_unit); } CLK_OF_DECLARE(mmp2_clk, "marvell,mmp2-clock", mmp2_clk_init);