diff options
| author |   Markus Elfring <elfring@users.sourceforge.net> | 2017-09-26 21:27:52 +0200 |
|---|---|---|
| committer |   Stephen Boyd <sboyd@codeaurora.org> | 2017-11-13 17:40:03 -0800 |
| commit | 62c73ed5bf6372bd8417897ea9dcaf1d50d50de6 (patch) | |
| tree | 088d380732d1b030cce05bebfbd13330e652b260 /drivers/clk | |
| parent | clk: clk-xgene: Delete error messages for failed memory allocations (diff) | |
| download | linux-dev-62c73ed5bf6372bd8417897ea9dcaf1d50d50de6.tar.xz linux-dev-62c73ed5bf6372bd8417897ea9dcaf1d50d50de6.zip | |
clk: clk-xgene: Adjust six checks for null pointers
The script “checkpatch.pl” pointed information out like the
following.
Comparison to NULL could be written ...
Thus fix the affected source code places.
Signed-off-by: Markus Elfring <elfring@users.sourceforge.net>
Signed-off-by: Stephen Boyd <sboyd@codeaurora.org>
Diffstat (limited to 'drivers/clk')
| -rw-r--r-- | drivers/clk/clk-xgene.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/clk/clk-xgene.c b/drivers/clk/clk-xgene.c index 3cc84a65f686..531b030d4d4e 100644 --- a/drivers/clk/clk-xgene.c +++ b/drivers/clk/clk-xgene.c @@ -189,7 +189,7 @@ static void xgene_pllclk_init(struct device_node *np, enum xgene_pll_type pll_ty int version = xgene_pllclk_version(np); reg = of_iomap(np, 0); - if (reg == NULL) { + if (!reg) { pr_err("Unable to map CSR register for %pOF\n", np); return; } @@ -465,7 +465,7 @@ static int xgene_clk_enable(struct clk_hw *hw) if (pclk->lock) spin_lock_irqsave(pclk->lock, flags); - if (pclk->param.csr_reg != NULL) { + if (pclk->param.csr_reg) { pr_debug("%s clock enabled\n", clk_hw_get_name(hw)); /* First enable the clock */ data = xgene_clk_read(pclk->param.csr_reg + @@ -505,7 +505,7 @@ static void xgene_clk_disable(struct clk_hw *hw) if (pclk->lock) spin_lock_irqsave(pclk->lock, flags); - if (pclk->param.csr_reg != NULL) { + if (pclk->param.csr_reg) { pr_debug("%s clock disabled\n", clk_hw_get_name(hw)); /* First put the CSR in reset */ data = xgene_clk_read(pclk->param.csr_reg + @@ -531,7 +531,7 @@ static int xgene_clk_is_enabled(struct clk_hw *hw) struct xgene_clk *pclk = to_xgene_clk(hw); u32 data = 0; - if (pclk->param.csr_reg != NULL) { + if (pclk->param.csr_reg) { pr_debug("%s clock checking\n", clk_hw_get_name(hw)); data = xgene_clk_read(pclk->param.csr_reg + pclk->param.reg_clk_offset); @@ -540,7 +540,7 @@ static int xgene_clk_is_enabled(struct clk_hw *hw) "disabled"); } - if (pclk->param.csr_reg == NULL) + if (!pclk->param.csr_reg) return 1; return data & pclk->param.reg_clk_mask ? 1 : 0; } @@ -705,7 +705,7 @@ static void __init xgene_devclk_init(struct device_node *np) break; } map_res = of_iomap(np, i); - if (map_res == NULL) { + if (!map_res) { pr_err("Unable to map resource %d for %pOF\n", i, np); goto err; } |