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shell.c: Fix Dereference before null check (CID #1467420)

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CID 1467420: Dereference before null check in rtems_shell_line_editor().

Closes #4254
This commit is contained in:
Ryan Long
2021-02-18 09:35:13 -05:00
committed by Joel Sherrill
parent 407e351e11
commit fa25b73ac1
1 changed files with 4 additions and 1 deletions
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5
cpukit/libmisc/shell/shell.c
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@@ -320,7 +320,10 @@ static int rtems_shell_line_editor(
int cmd = -1;
int inserting = 1;
int in_fileno = fileno(in);
int out_fileno = fileno(out);
int out_fileno;
_Assert(out != NULL);
out_fileno = fileno(out);
/*
* Only this task can use this file descriptor because calling