From: Alexey Brodkin abrodkin@synopsys.com
[ Upstream commit db1806edcfef007d9594435a331dcf7e7f1b8fac ]
ARC Linux uses the no legacy syscalls abi and corresponding uClibc headers statfs defines f_type to be U32 which causes perf build breakage
http://git.uclibc.org/uClibc/tree/libc/sysdeps/linux/common-generic/bits/sta...
----------->8--------------- CC fs/fs.o fs/fs.c: In function 'fs__valid_mount': fs/fs.c:82:24: error: comparison between signed and unsigned integer expressions [-Werror=sign-compare] else if (st_fs.f_type != magic) ^ cc1: all warnings being treated as errors ----------->8---------------
Signed-off-by: Alexey Brodkin abrodkin@synopsys.com Acked-by: Jiri Olsa jolsa@kernel.org Cc: Borislav Petkov bp@suse.de Cc: Cody P Schafer dev@codyps.com Cc: Ingo Molnar mingo@kernel.org Cc: Jiri Olsa jolsa@kernel.org Cc: Namhyung Kim namhyung@kernel.org Cc: Peter Zijlstra peterz@infradead.org Cc: Vineet Gupta Vineet.Gupta1@synopsys.com Link: http://lkml.kernel.org/r/1420888254-17504-2-git-send-email-vgupta@synopsys.c... Signed-off-by: Arnaldo Carvalho de Melo acme@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org --- tools/lib/api/fs/debugfs.c | 2 +- tools/lib/api/fs/fs.c | 2 +- 2 files changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/lib/api/fs/debugfs.c b/tools/lib/api/fs/debugfs.c index a74fba6d7743..86ea2d7b8845 100644 --- a/tools/lib/api/fs/debugfs.c +++ b/tools/lib/api/fs/debugfs.c @@ -67,7 +67,7 @@ int debugfs_valid_mountpoint(const char *debugfs)
if (statfs(debugfs, &st_fs) < 0) return -ENOENT; - else if (st_fs.f_type != (long) DEBUGFS_MAGIC) + else if ((long)st_fs.f_type != (long)DEBUGFS_MAGIC) return -ENOENT;
return 0; diff --git a/tools/lib/api/fs/fs.c b/tools/lib/api/fs/fs.c index c1b49c36a951..4b2fa7bcbb84 100644 --- a/tools/lib/api/fs/fs.c +++ b/tools/lib/api/fs/fs.c @@ -75,7 +75,7 @@ static int fs__valid_mount(const char *fs, long magic)
if (statfs(fs, &st_fs) < 0) return -ENOENT; - else if (st_fs.f_type != magic) + else if ((long)st_fs.f_type != magic) return -ENOENT;
return 0;