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treewide: remove redundant IS_ERR() before error code check

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'PTR_ERR(p) == -E*' is a stronger condition than IS_ERR(p).
Hence, IS_ERR(p) is unneeded.

The semantic patch that generates this commit is as follows:

// <smpl>
@@
expression ptr;
constant error_code;
@@
-IS_ERR(ptr) && (PTR_ERR(ptr) == - error_code)
+PTR_ERR(ptr) == - error_code
// </smpl>

Link: http://lkml.kernel.org/r/20200106045833.1725-1-masahiroy@kernel.org
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Cc: Julia Lawall <julia.lawall@lip6.fr>
Acked-by: Stephen Boyd <sboyd@kernel.org> [drivers/clk/clk.c]
Acked-by: Bartosz Golaszewski <bgolaszewski@baylibre.com> [GPIO]
Acked-by: Wolfram Sang <wsa@the-dreams.de> [drivers/i2c]
Acked-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> [acpi/scan.c]
Acked-by: Rob Herring <robh@kernel.org>
Cc: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Masahiro Yamada
2020-02-03 17:37:45 -08:00
committed by Linus Torvalds
parent 190535f7cf
commit 45586c7078
28 changed files with 35 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
drivers/phy/phy-core.c
View File

@@ -712,7 +712,7 @@ struct phy *phy_optional_get(struct device *dev, const char *string)
{
struct phy *phy = phy_get(dev, string);
if (IS_ERR(phy) && (PTR_ERR(phy) == -ENODEV))
if (PTR_ERR(phy) == -ENODEV)
phy = NULL;
return phy;
@@ -766,7 +766,7 @@ struct phy *devm_phy_optional_get(struct device *dev, const char *string)
{
struct phy *phy = devm_phy_get(dev, string);
if (IS_ERR(phy) && (PTR_ERR(phy) == -ENODEV))
if (PTR_ERR(phy) == -ENODEV)
phy = NULL;
return phy;