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| author | Joe Hershberger <joe.hershberger@ni.com> | 2013-02-08 10:12:34 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-03-04 14:19:56 -0500 |
| commit | 18a3cce9fa9030e0e1fe0678ddcd0ae84d9423ca (patch) | |
| tree | 653ffc1e57065f55a7fffd46693f29182190ca3b /common/cmd_nvedit.c | |
| parent | 949a77109747d5db7d559359d3ec24bade653be8 (diff) | |
| download | olio-uboot-2014.01-18a3cce9fa9030e0e1fe0678ddcd0ae84d9423ca.tar.xz olio-uboot-2014.01-18a3cce9fa9030e0e1fe0678ddcd0ae84d9423ca.zip | |
env: Avoid clobbering an edited variable on ctrl-c
If readline says there was an error, don't write to the variable!
Signed-off-by: Joe Hershberger <joe.hershberger@ni.com>
Diffstat (limited to 'common/cmd_nvedit.c')
| -rw-r--r-- | common/cmd_nvedit.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/common/cmd_nvedit.c b/common/cmd_nvedit.c index d646d9088..3a05e6010 100644 --- a/common/cmd_nvedit.c +++ b/common/cmd_nvedit.c @@ -552,7 +552,8 @@ static int do_env_edit(cmd_tbl_t *cmdtp, int flag, int argc, else buffer[0] = '\0'; - readline_into_buffer("edit: ", buffer, 0); + if (readline_into_buffer("edit: ", buffer, 0) < 0) + return 1; return setenv(argv[1], buffer); } |