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authorSimon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com>2018-01-31 07:56:48 +0100
committerTom Rini <trini@konsulko.com>2018-01-31 18:45:10 -0500
commit87c7fb396a59d3e2be434cc956462ba46451193b (patch)
treeb4b6f06e614e702c6283b2e57d4c7ea9128086e5 /env
parent48f58a59737739b0f96ceba9f7873178c6d917bf (diff)
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cmd: nvedit: env_get_f must check for env_get_char error codes
env_get_f calls env_get_char to load single characters from the environment. However, the return value of env_get_char was not checked for errors. Now if the env driver does not support the .get_char call, env_get_f did not notice this and looped over the whole size of the environment, calling env_get_char over 8000 times with the default settings, just to return an error in the end. Fix this by checking if env_get_char returns < 0. Signed-off-by: Simon Goldschmidt <sgoldschmidt@de.pepperl-fuchs.com> Acked-by: Maxime Ripard <maxime.ripard@free-electrons.com>
Diffstat (limited to 'env')
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