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x86/vdso/vdso2c: Correct error messages on file open

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err() message in main() is misleading: it should print `outfilename`,
which is argv[3], not argv[2].

Correct error messages to be more precise about what failed and for
which file.

Co-developed-by: Andrei Vagin <avagin@openvz.org>
Signed-off-by: Andrei Vagin <avagin@openvz.org>
Signed-off-by: Dmitry Safonov <dima@arista.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Andy Lutomirski <luto@kernel.org>
Link: https://lkml.kernel.org/r/20200420183256.660371-2-dima@arista.com
This commit is contained in:
Dmitry Safonov 2020-04-20 19:32:53 +01:00 committed by Thomas Gleixner
parent ae83d0b416
commit 089ef5579f
1 changed files with 2 additions and 2 deletions
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4
arch/x86/entry/vdso/vdso2c.c
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@ -187,7 +187,7 @@ static void map_input(const char *name, void **addr, size_t *len, int prot)
int fd = open(name, O_RDONLY);
if (fd == -1)
err(1, "%s", name);
err(1, "open(%s)", name);
tmp_len = lseek(fd, 0, SEEK_END);
if (tmp_len == (off_t)-1)
@ -240,7 +240,7 @@ int main(int argc, char **argv)
outfilename = argv[3];
outfile = fopen(outfilename, "w");
if (!outfile)
err(1, "%s", argv[2]);
err(1, "fopen(%s)", outfilename);
go(raw_addr, raw_len, stripped_addr, stripped_len, outfile, name);