diff mbox series

[v3,1/2] net: phy: fix yt8511 clang uninitialized variable warning

Message ID 20210529110556.202531-2-pgwipeout@gmail.com (mailing list archive)
State Accepted
Commit 546d6bad18c04926c4d0eba4222654a9a60ea830
Delegated to: Netdev Maintainers
Headers show
Series fixes for yt8511 phy driver | expand

Checks

Context Check Description
netdev/cover_letter success Link
netdev/fixes_present success Link
netdev/patch_count success Link
netdev/tree_selection success Guessed tree name to be net-next
netdev/subject_prefix warning Target tree name not specified in the subject
netdev/cc_maintainers warning 1 maintainers not CCed: ndesaulniers@google.com
netdev/source_inline success Was 0 now: 0
netdev/verify_signedoff success Link
netdev/module_param success Was 0 now: 0
netdev/build_32bit success Errors and warnings before: 0 this patch: 0
netdev/kdoc success Errors and warnings before: 0 this patch: 0
netdev/verify_fixes success Link
netdev/checkpatch success total: 0 errors, 0 warnings, 0 checks, 9 lines checked
netdev/build_allmodconfig_warn success Errors and warnings before: 0 this patch: 0
netdev/header_inline success Link

Commit Message

Peter Geis May 29, 2021, 11:05 a.m. UTC
clang doesn't preinitialize variables. If phy_select_page failed and
returned an error, phy_restore_page would be called with `ret` being
uninitialized.
Even though phy_restore_page won't use `ret` in this scenario,
initialize `ret` to silence the warning.

Fixes: 48e8c6f1612b ("net: phy: add driver for Motorcomm yt8511 phy")
Reported-by: kernel test robot <lkp@intel.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: Peter Geis <pgwipeout@gmail.com>
---
 drivers/net/phy/motorcomm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox series

Patch

diff --git a/drivers/net/phy/motorcomm.c b/drivers/net/phy/motorcomm.c
index 796b68f4b499..68cd19540c67 100644
--- a/drivers/net/phy/motorcomm.c
+++ b/drivers/net/phy/motorcomm.c
@@ -50,8 +50,8 @@  static int yt8511_write_page(struct phy_device *phydev, int page)
 
 static int yt8511_config_init(struct phy_device *phydev)
 {
+	int oldpage, ret = 0;
 	unsigned int ge, fe;
-	int ret, oldpage;
 
 	/* set clock mode to 125mhz */
 	oldpage = phy_select_page(phydev, YT8511_EXT_CLK_GATE);