On Sat, Jan 10, 2015 at 04:40:50PM +0530, Vineet Gupta wrote: > From: Alexey Brodkin <abrodkin@xxxxxxxxxxxx> > > 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/statfs.h > > ----------->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--------------- > > Cc: Borislav Petkov <bp@xxxxxxx> > Cc: Jiri Olsa <jolsa@xxxxxxxxxx> > Cc: Cody P Schafer <dev@xxxxxxxxxx> > Cc: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> > Cc: linux-perf-users@xxxxxxxxxxxxxxx > Cc: linux-kernel@xxxxxxxxxxxxxxx > Signed-off-by: Alexey Brodkin <abrodkin@xxxxxxxxxxxx> Acked-by: Jiri Olsa <jolsa@xxxxxxxxxx> thanks, jirka > > --- > v3: Changes since v2 [2] > * Made Changelog a bit more concise, no code changes [vgupta] > > v2: Changes since v1 [1] > * Added type cast to DEBUGFS_MAGIC in "debugfs.c" [Arnaldo] > * Added verbose explanation of root cause > > [2] https://lkml.org/lkml/2014/9/16/296 > [1] https://lkml.org/lkml/2014/8/13/529 > > Signed-off-by: Vineet Gupta <vgupta@xxxxxxxxxxxx> > --- > 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..93aa4cd2416f 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 65d9be3f9887..15e64921ea84 100644 > --- a/tools/lib/api/fs/fs.c > +++ b/tools/lib/api/fs/fs.c > @@ -79,7 +79,7 @@ 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; > -- > 1.9.1 > -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
