diff options
| author | Josh Poimboeuf <jpoimboe@redhat.com> | 2018-01-15 08:17:08 -0600 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-01-23 19:58:13 +0100 |
| commit | f45bbd95be060a7eb67ce2f1a1404a82be93d0e3 (patch) | |
| tree | df307e239f20ac75505b1373810e51524140c815 /tools | |
| parent | 956ec9e7b59a1fb3fd4c9bc8a13a7f7700e9d7d2 (diff) | |
| download | linux-stable-f45bbd95be060a7eb67ce2f1a1404a82be93d0e3.tar.gz linux-stable-f45bbd95be060a7eb67ce2f1a1404a82be93d0e3.tar.bz2 linux-stable-f45bbd95be060a7eb67ce2f1a1404a82be93d0e3.zip | |
objtool: Improve error message for bad file argument
commit 385d11b152c4eb638eeb769edcb3249533bb9a00 upstream.
If a nonexistent file is supplied to objtool, it complains with a
non-helpful error:
open: No such file or directory
Improve it to:
objtool: Can't open 'foo': No such file or directory
Reported-by: Markus <M4rkusXXL@web.de>
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/406a3d00a21225eee2819844048e17f68523ccf6.1516025651.git.jpoimboe@redhat.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'tools')
| -rw-r--r-- | tools/objtool/elf.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/objtool/elf.c b/tools/objtool/elf.c index 24460155c82c..c1c338661699 100644 --- a/tools/objtool/elf.c +++ b/tools/objtool/elf.c @@ -26,6 +26,7 @@ #include <stdlib.h> #include <string.h> #include <unistd.h> +#include <errno.h> #include "elf.h" #include "warn.h" @@ -358,7 +359,8 @@ struct elf *elf_open(const char *name, int flags) elf->fd = open(name, flags); if (elf->fd == -1) { - perror("open"); + fprintf(stderr, "objtool: Can't open '%s': %s\n", + name, strerror(errno)); goto err; } |