On Tue, 25 Oct 2022 10:34:07 -0700 Nathan Chancellor <nathan@xxxxxxxxxx> wrote: > Clang warns (trimmed for brevity): > > mm/khugepaged.c:1729:7: warning: variable 'index' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] > mm/khugepaged.c:1716:6: warning: variable 'index' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] > mm/khugepaged.c:1729:7: warning: variable 'nr' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] > mm/khugepaged.c:1716:6: warning: variable 'nr' is used uninitialized whenever 'if' condition is true [-Wsometimes-uninitialized] > > There are two goto statements that will use index and nr before they > have been properly initialized. Zero initialize them so that they can be > safely used by the tracepoint at the end of the function. Thanks. I've actually dropped the offending patch - I'd like a resend which includes a fix such as this and a good reason for making the change.
