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staging: most: dim2: replace BUG_ON() in poison_channel()

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Replace BUG_ON() range check on ch_idx with a return of -EINVAL.

BUG_ON() is deprecated as it crashes the entire kernel on assertion
failure (see Documentation/process/deprecated.rst).

Signed-off-by: Gabriel Rondon <grondon@gmail.com>
Link: https://patch.msgid.link/20260330182255.75241-6-grondon@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Gabriel Rondon
2026-03-31 10:46:39 +02:00
committed by Greg Kroah-Hartman
parent e922cb4002
commit e87946666e
1 changed files with 2 additions and 1 deletions
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drivers/staging/most/dim2/dim2.c
+2 -1
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@@ -647,7 +647,8 @@ static int poison_channel(struct most_interface *most_iface, int ch_idx)
u8 hal_ret;
int ret = 0;
BUG_ON(ch_idx < 0 || ch_idx >= DMA_CHANNELS);
if (ch_idx < 0 || ch_idx >= DMA_CHANNELS)
return -EINVAL;
if (!hdm_ch->is_initialized)
return -EPERM;