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soc: handle invalid address passed to swrm_peek debugfs node

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Add logic to handle invalid address passed to swrm_peek and swrm_poke
debugfs node.

Change-Id: I46443734e6b4b758276cdf8fd28a022d37112bfc
Signed-off-by: Faiz Nabi Kuchay <quic_fkuchay@quicinc.com>
This commit is contained in:
Faiz Nabi Kuchay
2023-07-25 22:17:44 +05:30
committed by Gerrit - the friendly Code Review server
parent deeec3d073
commit da3a17a06c
1 changed files with 2 additions and 2 deletions
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4
soc/swr-mstr-ctrl.c
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@@ -321,7 +321,7 @@ static ssize_t swrm_debug_peek_write(struct file *file, const char __user *ubuf,
lbuf[count] = '\0';
rc = get_parameters(lbuf, param, 1);
if ((param[0] <= SWRM_MAX_REGISTER) && (rc == 0))
if ((param[0] <= SWRM_MAX_REGISTER) && (rc == 0) && (param[0] % 4 == 0))
swrm->read_data = swr_master_read(swrm, param[0]);
else
rc = -EINVAL;
@@ -360,7 +360,7 @@ static ssize_t swrm_debug_write(struct file *file,
rc = get_parameters(lbuf, param, 2);
if ((param[0] <= SWRM_MAX_REGISTER) &&
(param[1] <= 0xFFFFFFFF) &&
(rc == 0))
(rc == 0) && (param[0] % 4 == 0))
swr_master_write(swrm, param[0], param[1]);
else
rc = -EINVAL;