diff options
| author | Heinrich Schuchardt <[email protected]> | 2025-11-16 12:41:53 +0100 |
|---|---|---|
| committer | Tom Rini <[email protected]> | 2025-11-27 08:43:45 -0600 |
| commit | 642a9e716e1e4ecfa64e01a81e815b74e9c142bf (patch) | |
| tree | d62592fab85c6bb44b8e92fbd20d6c2a62b8004f /cmd | |
| parent | d49e48462b551e938cd2de33d250cec61040c414 (diff) | |
cmd/extension: avoid NULL pointer dereference
extension_get_list() will return NULL if there is no extension device.
Check for this situation.
Addresses-Coverity-ID: 638557 - Null pointer dereferences (NULL_RETURNS)
Fixes: 2d12958ee71b ("boot: Remove legacy extension board support")
Signed-off-by: Heinrich Schuchardt <[email protected]>
Acked-by: Kory Maincent <[email protected]>
Diffstat (limited to 'cmd')
| -rw-r--r-- | cmd/extension_board.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/cmd/extension_board.c b/cmd/extension_board.c index 86e4795ba8a..75358abf666 100644 --- a/cmd/extension_board.c +++ b/cmd/extension_board.c @@ -99,6 +99,10 @@ static int do_extension_list(struct cmd_tbl *cmdtp, int flag, int i = 0; extension_list = extension_get_list(); + if (!extension_list) { + printf("No extension device\n"); + return CMD_RET_FAILURE; + } if (!alist_get_ptr(extension_list, 0)) { printf("No extension registered - Please run \"extension scan\"\n"); return CMD_RET_SUCCESS; |