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ksmbd: use __GFP_RETRY_MAYFAIL

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Prefer to report ENOMEM rather than incur the oom for allocations in
ksmbd. __GFP_NORETRY could not achieve that, It would fail the allocations
just too easily. __GFP_RETRY_MAYFAIL will keep retrying the allocation
until there is no more progress and fail the allocation instead go OOM
and let the caller to deal with it.

Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
This commit is contained in:
Namjae Jeon
2024-11-22 16:33:25 +09:00
committed by Steve French
parent d6eb09fb46
commit 0066f623bc
24 changed files with 126 additions and 119 deletions
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4
fs/smb/server/unicode.c
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@@ -297,7 +297,7 @@ char *smb_strndup_from_utf16(const char *src, const int maxlen,
if (is_unicode) {
len = smb_utf16_bytes((__le16 *)src, maxlen, codepage);
len += nls_nullsize(codepage);
dst = kmalloc(len, GFP_KERNEL);
dst = kmalloc(len, KSMBD_DEFAULT_GFP);
if (!dst)
return ERR_PTR(-ENOMEM);
ret = smb_from_utf16(dst, (__le16 *)src, len, maxlen, codepage,
@@ -309,7 +309,7 @@ char *smb_strndup_from_utf16(const char *src, const int maxlen,
} else {
len = strnlen(src, maxlen);
len++;
dst = kmalloc(len, GFP_KERNEL);
dst = kmalloc(len, KSMBD_DEFAULT_GFP);
if (!dst)
return ERR_PTR(-ENOMEM);
strscpy(dst, src, len);